|
CAPITAL STOCK, STOCK PLANS, WARRANTS AND INCENTIVE COMPENSATION (Details) (USD $)
|
12 Months Ended |
|
|
Dec. 31, 2012
|
Dec. 31, 2011
|
Dec. 31, 2010
|
May 08, 2012
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
| Vesting period |
6 months
|
|
3 years
|
|
|
|
|
| Proceeds from options exercises |
|
|
|
|
$ 509,000
|
|
|
| Proceeds from issuance of private placement |
|
|
1,000,000
|
|
|
|
|
| Share price of stock issued in private placement (in dollars per share) |
|
|
$ 1.23
|
|
|
|
|
| Shares of our Common Stock issued (shares) |
|
|
|
|
350,000
|
|
|
| Shares [Abstract] |
|
|
|
|
|
|
|
| Balance at beginning of year (in shares) |
3,039,833
|
|
|
|
|
|
|
| Granted (in shares) |
60,000
|
|
|
|
|
|
|
| Exercised (in shares) |
0
|
|
|
|
|
|
|
| Forfeited/expired (in shares) |
(455,833)
|
|
|
|
|
|
|
| Balance at end of year (in shares) |
2,644,000
|
|
3,039,833
|
|
|
|
|
| Options exercisable at year end (in shares) |
2,196,500
|
|
|
|
|
|
|
| Options vested and expected to be vested at end of year (in shares) |
2,644,000
|
|
|
|
|
|
|
| Weighted Average Exercise Price [Abstract] |
|
|
|
|
|
|
|
| Balance at beginning of year (in dollars per share) |
$ 1.98
|
|
|
|
|
|
|
| Granted (in dollars per share) |
$ 1.10
|
|
|
|
|
|
|
| Exercised (in dollars per share) |
$ 0
|
|
|
|
|
|
|
| Forfeited/expired (in dollars per share) |
$ 1.94
|
|
|
|
|
|
|
| Balance at end of year (in dollars per share) |
$ 1.96
|
|
$ 1.98
|
|
|
|
|
| Options exercisable (in dollars per share) |
$ 2.08
|
|
|
|
|
|
|
| Options vested and expected to be vested (in dollars per share) |
$ 1.96
|
|
|
|
|
|
|
| Weighted Average Remaining Contractual Term [Abstract] |
|
|
|
|
|
|
|
| Options outstanding end of period (in years) |
3 years 6 months
|
|
|
|
|
|
|
| Options exercisable (in years) |
2 years 9 months 18 days
|
|
|
|
|
|
|
| Options vested and expected to be vested (in years) |
3 years 6 months
|
|
|
|
|
|
|
| Aggregate Intrinsic Value [Abstract] |
|
|
|
|
|
|
|
| Exercised |
0
|
|
|
|
|
|
|
| Options outstanding end of year |
0
|
|
|
|
|
|
|
| Options exercisable |
0
|
|
|
|
|
|
|
| Options vested and expected to be vested |
0
|
|
|
|
|
|
|
| Options exercise price range, minimum (in dollars per share) |
$ 1.10
|
|
|
|
|
|
|
| Options exercise price range, maximum (in dollars per share) |
$ 2.95
|
|
|
|
|
|
|
| Warrants [Abstract] |
|
|
|
|
|
|
|
| Warrants outstanding (in shares) |
0
|
|
|
|
|
|
150,000
|
| Exercise price of warrants (in dollars per share) |
|
|
|
|
|
|
$ 1.50
|
| Number of warrants outstanding |
0
|
|
|
|
|
|
3
|
| Shares Reserved [Abstract] |
|
|
|
|
|
|
|
| Shares available for future issues (in shares) |
2,644,000
|
|
|
|
|
|
|
|
Minimum [Member]
|
|
|
|
|
|
|
|
| Weighted Average Exercise Price [Abstract] |
|
|
|
|
|
|
|
| Granted (in dollars per share) |
|
|
|
|
$ 1.25
|
|
|
| Aggregate Intrinsic Value [Abstract] |
|
|
|
|
|
|
|
| Exercise price range of options exercisable |
$ 1.41
|
|
|
|
|
|
|
|
Maximum [Member]
|
|
|
|
|
|
|
|
| Weighted Average Exercise Price [Abstract] |
|
|
|
|
|
|
|
| Granted (in dollars per share) |
|
|
|
|
$ 2.19
|
|
|
| Aggregate Intrinsic Value [Abstract] |
|
|
|
|
|
|
|
| Exercise price range of options exercisable |
$ 2.95
|
|
|
|
|
|
|
|
2003 Outside Directors Stock Plan [Member]
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
| Vesting period |
6 months
|
|
|
|
|
|
|
| Number of options granted upon re-election to the Board (in shares) |
12,000
|
|
|
|
|
|
|
| Number of options granted upon initial election to the Board (in shares) |
30,000
|
|
|
|
|
|
|
| Number of shares authorized (in shares) |
1,000,000
|
|
|
|
|
|
|
| Shares of our Common Stock issued (shares) |
170,277
|
|
149,061
|
|
127,276
|
|
|
| Additional quarterly fee due to additional responsibility |
5,500
|
|
|
|
|
|
|
| Additional quarterly fee due to additional time commitment |
1,000
|
|
|
|
|
|
|
| Board meeting attendance fee |
1,000
|
|
|
|
|
|
|
| Telephonic conference call fee |
500
|
|
|
|
|
|
|
| Percentage of fair market value of common stock to determine the number of shares to directors (in hundredths) |
75.00%
|
|
|
|
|
|
|
| Shares [Abstract] |
|
|
|
|
|
|
|
| Balance at beginning of year (in shares) |
756,000
|
|
666,000
|
|
594,000
|
|
|
| Granted (in shares) |
60,000
|
|
90,000
|
|
72,000
|
|
|
| Balance at end of year (in shares) |
816,000
|
|
756,000
|
|
666,000
|
|
|
| Options exercisable at year end (in shares) |
756,000
|
|
666,000
|
|
594,000
|
|
|
| Weighted Average Exercise Price [Abstract] |
|
|
|
|
|
|
|
| Balance at beginning of year (in dollars per share) |
$ 2.11
|
|
$ 2.21
|
|
$ 2.27
|
|
|
| Granted (in dollars per share) |
$ 1.10
|
|
$ 1.41
|
|
$ 1.68
|
|
|
| Balance at end of year (in dollars per share) |
$ 2.04
|
|
$ 2.11
|
|
$ 2.21
|
|
|
| Options exercisable (in dollars per share) |
$ 2.11
|
|
$ 2.21
|
|
$ 2.27
|
|
|
| Aggregate Intrinsic Value [Abstract] |
|
|
|
|
|
|
|
| Options outstanding end of year |
0
|
[1] |
12,600
|
[1] |
0
|
[1] |
|
| Options exercisable |
0
|
[1] |
0
|
[1] |
0
|
[1] |
|
|
2003 Outside Directors Stock Plan [Member] | Minimum [Member]
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
| Directors fees |
6,500
|
|
|
|
|
|
|
| Director's fee in terms of common stock shares (in hundredths) |
65.00%
|
|
|
|
|
|
|
|
2003 Outside Directors Stock Plan [Member] | Maximum [Member]
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
| Directors fees |
8,000
|
|
|
|
|
|
|
| Director's fee in terms of common stock shares (in hundredths) |
100.00%
|
|
|
|
|
|
|
|
1993 Non-qualified Stock Option Plan [Member]
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
| Terms of award (in years) |
10Y
|
|
|
|
|
|
|
| Shares held as treasury stock |
|
|
|
|
38,210
|
|
|
| Value of shares added to treasury stock |
|
|
|
|
88,000
|
|
|
| Shares [Abstract] |
|
|
|
|
|
|
|
| Balance at beginning of year (in shares) |
358,000
|
|
630,359
|
|
991,359
|
|
|
| Exercised (in shares) |
0
|
|
0
|
|
(350,000)
|
|
|
| Forfeited/expired (in shares) |
(5,500)
|
|
(272,359)
|
|
(11,000)
|
|
|
| Balance at end of year (in shares) |
352,500
|
|
358,000
|
|
630,359
|
|
|
| Options exercisable at year end (in shares) |
352,500
|
|
358,000
|
|
630,359
|
|
|
| Weighted Average Exercise Price [Abstract] |
|
|
|
|
|
|
|
| Balance at beginning of year (in dollars per share) |
$ 2.18
|
|
$ 2.00
|
|
$ 1.89
|
|
|
| Exercised (in dollars per share) |
$ 0
|
|
$ 0
|
|
$ 1.70
|
|
|
| Forfeited/expired (in dollars per share) |
$ 2.19
|
|
$ 1.76
|
|
$ 1.45
|
|
|
| Balance at end of year (in dollars per share) |
$ 2.18
|
|
$ 2.18
|
|
$ 2.00
|
|
|
| Options exercisable (in dollars per share) |
$ 2.18
|
|
$ 2.18
|
|
$ 2.00
|
|
|
| Aggregate Intrinsic Value [Abstract] |
|
|
|
|
|
|
|
| Exercised |
0
|
[1] |
0
|
[1] |
227,000
|
[1] |
|
| Options outstanding end of year |
0
|
[1] |
0
|
[1] |
0
|
[1] |
|
| Options exercisable |
0
|
[1] |
0
|
[1] |
0
|
[1] |
|
|
1993 Non-qualified Stock Option Plan [Member] | Employee [Member]
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
| Number of shares surrendered for payment to exercise options (in shares) |
|
|
|
|
38,210
|
|
|
| Number of options to purchase shares from shares surrendered (in shares) |
|
|
|
|
70,000
|
|
|
| Weighted Average Exercise Price [Abstract] |
|
|
|
|
|
|
|
| Exercised (in dollars per share) |
|
|
|
|
$ 1.25
|
|
|
|
2004 Stock Option Plan [Member]
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
| Terms of award (in years) |
10Y
|
|
|
|
|
|
|
| Number of shares authorized (in shares) |
2,000,000
|
|
|
|
|
|
|
| Shares [Abstract] |
|
|
|
|
|
|
|
| Balance at beginning of year (in shares) |
1,320,833
|
|
1,374,166
|
|
1,424,166
|
|
|
| Forfeited/expired (in shares) |
(410,333)
|
|
(53,333)
|
|
(50,000)
|
|
|
| Balance at end of year (in shares) |
910,500
|
|
1,320,833
|
|
1,374,166
|
|
|
| Options exercisable at year end (in shares) |
910,500
|
|
1,280,833
|
|
1,022,333
|
|
|
| Weighted Average Exercise Price [Abstract] |
|
|
|
|
|
|
|
| Balance at beginning of year (in dollars per share) |
$ 2.03
|
|
$ 2.04
|
|
$ 2.05
|
|
|
| Forfeited/expired (in dollars per share) |
$ 1.87
|
|
$ 2.25
|
|
$ 2.26
|
|
|
| Balance at end of year (in dollars per share) |
$ 2.11
|
|
$ 2.03
|
|
$ 2.04
|
|
|
| Options exercisable (in dollars per share) |
$ 2.11
|
|
$ 2.05
|
|
$ 2.04
|
|
|
| Aggregate Intrinsic Value [Abstract] |
|
|
|
|
|
|
|
| Options outstanding end of year |
0
|
[1] |
18,900
|
[1] |
30,900
|
[1] |
|
| Options exercisable |
0
|
[1] |
13,700
|
[1] |
14,100
|
[1] |
|
|
2010 Stock Option Plan [Member]
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
| Terms of award (in years) |
10Y
|
|
|
|
|
|
|
| Number of shares authorized (in shares) |
1,000,000
|
|
|
|
|
|
|
| Shares [Abstract] |
|
|
|
|
|
|
|
| Balance at beginning of year (in shares) |
300,000
|
[2] |
0
|
[2] |
0
|
[2] |
|
| Granted (in shares) |
0
|
[2] |
300,000
|
[2] |
0
|
[2] |
|
| Balance at end of year (in shares) |
300,000
|
[2] |
300,000
|
[2] |
0
|
[2] |
|
| Options exercisable at year end (in shares) |
100,000
|
[2] |
0
|
[2] |
0
|
[2] |
|
| Weighted Average Exercise Price [Abstract] |
|
|
|
|
|
|
|
| Balance at beginning of year (in dollars per share) |
$ 1.57
|
[2] |
$ 0
|
[2] |
$ 0
|
[2] |
|
| Granted (in dollars per share) |
$ 0
|
[2] |
$ 1.57
|
[2] |
$ 0
|
[2] |
|
| Balance at end of year (in dollars per share) |
$ 1.57
|
[2] |
$ 1.57
|
[2] |
$ 0
|
[2] |
|
| Options exercisable (in dollars per share) |
$ 1.57
|
[2] |
$ 0
|
[2] |
$ 0
|
[2] |
|
| Aggregate Intrinsic Value [Abstract] |
|
|
|
|
|
|
|
| Options outstanding end of year |
0
|
[1],[2] |
0
|
[1],[2] |
0
|
[1],[2] |
|
| Options exercisable |
0
|
[1],[2] |
0
|
[1],[2] |
0
|
[1],[2] |
|
|
2010 Stock Option Plan [Member] | Ten Percent Shareholder [Member]
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
| Terms of award (in years) |
5Y
|
|
|
|
|
|
|
| Percentage of fair market value of common stock to determine the number of shares to directors (in hundredths) |
110.00%
|
|
|
|
|
|
|
|
Non-Qualified Stock Option Agreement [Member]
|
|
|
|
|
|
|
|
| Shares [Abstract] |
|
|
|
|
|
|
|
| Balance at beginning of year (in shares) |
250,000
|
[3] |
0
|
[3] |
0
|
[3] |
|
| Granted (in shares) |
0
|
[3] |
250,000
|
[3] |
0
|
[3] |
|
| Balance at end of year (in shares) |
250,000
|
[3] |
250,000
|
[3] |
0
|
[3] |
|
| Options exercisable at year end (in shares) |
62,500
|
[3] |
0
|
[3] |
0
|
[3] |
|
| Weighted Average Exercise Price [Abstract] |
|
|
|
|
|
|
|
| Balance at beginning of year (in dollars per share) |
$ 1.35
|
[3] |
$ 0
|
[3] |
$ 0
|
[3] |
|
| Granted (in dollars per share) |
$ 0
|
[3] |
$ 1.35
|
[3] |
$ 0
|
[3] |
|
| Balance at end of year (in dollars per share) |
$ 1.35
|
[3] |
$ 1.35
|
[3] |
$ 0
|
[3] |
|
| Options exercisable (in dollars per share) |
$ 1.35
|
[3] |
$ 0
|
[3] |
$ 0
|
[3] |
|
| Aggregate Intrinsic Value [Abstract] |
|
|
|
|
|
|
|
| Options outstanding end of year |
0
|
[1],[3] |
50,000
|
[1],[3] |
0
|
[1],[3] |
|
| Options exercisable |
0
|
[1],[3] |
0
|
[1],[3] |
0
|
[1],[3] |
|
|
1992 Outside Directors Stock Plan [Member]
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
| Number of options granted upon re-election to the Board (in shares) |
5,000
|
|
|
|
|
|
|
| Number of options granted upon initial election to the Board (in shares) |
15,000
|
|
|
|
|
|
|
| Number of shares authorized (in shares) |
500,000
|
|
|
|
|
|
|
| Percentage of fair market value of common stock to determine the number of shares to directors (in hundredths) |
75.00%
|
|
|
|
|
|
|
| Shares [Abstract] |
|
|
|
|
|
|
|
| Balance at beginning of year (in shares) |
55,000
|
|
85,000
|
|
100,000
|
|
|
| Forfeited/expired (in shares) |
(40,000)
|
|
(30,000)
|
|
(15,000)
|
|
|
| Balance at end of year (in shares) |
15,000
|
|
55,000
|
|
85,000
|
|
|
| Options exercisable at year end (in shares) |
15,000
|
|
55,000
|
|
85,000
|
|
|
| Weighted Average Exercise Price [Abstract] |
|
|
|
|
|
|
|
| Balance at beginning of year (in dollars per share) |
$ 2.54
|
|
$ 2.50
|
|
$ 2.38
|
|
|
| Forfeited/expired (in dollars per share) |
$ 2.73
|
|
$ 2.59
|
|
$ 1.69
|
|
|
| Balance at end of year (in dollars per share) |
$ 2.02
|
|
$ 2.54
|
|
$ 2.50
|
|
|
| Options exercisable (in dollars per share) |
$ 2.02
|
|
$ 2.54
|
|
$ 2.50
|
|
|
| Aggregate Intrinsic Value [Abstract] |
|
|
|
|
|
|
|
| Options outstanding end of year |
0
|
[1] |
0
|
[1] |
0
|
[1] |
|
| Options exercisable |
$ 0
|
[1] |
$ 0
|
[1] |
$ 0
|
[1] |
|
|
1992 Outside Directors Stock Plan [Member] | Minimum [Member]
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
| Director's fee in terms of common stock shares (in hundredths) |
65.00%
|
|
|
|
|
|
|
|
1992 Outside Directors Stock Plan [Member] | Maximum [Member]
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
| Director's fee in terms of common stock shares (in hundredths) |
100.00%
|
|
|
|
|
|
|
|
2003 Outside Directors Stock Plan First Amendment [Member]
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
| Number of shares authorized (in shares) |
2,000,000
|
|
|
|
|
|
|
|
2003 Outside Directors Stock Plan Second Amendment [Member]
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
| Number of shares authorized (in shares) |
3,000,000
|
|
|
|
|
|
|
|
Restricted Stock [Member]
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
| Shares issued in private placement |
|
|
813,007
|
|
|
|
|
|
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|