Annual report pursuant to Section 13 and 15(d)

Note 9 - Long-term Debt (Details Textual)

Note 9 - Long-term Debt (Details Textual) - USD ($)					1 Months Ended	12 Months Ended
Note 9 - Long-term Debt (Details Textual) - USD ($)	Mar. 24, 2016	Jun. 30, 2014	Aug. 02, 2013	Oct. 31, 2011	Jan. 31, 2015	Dec. 31, 2015	Dec. 31, 2014	Feb. 12, 2013
Warrant [Member]
Fair Value Assumptions, Expected Dividend Rate			0.00%
Fair Value Assumptions, Expected Volatility Rate			55.54%
Fair Value Assumptions, Risk Free Interest Rate			0.59%
Fair Value Assumptions, Expected Term			3 years
Subsequent Event [Member] \| Revolving Credit Facility [Member] \| Amendment 7 [Member] \| PNC Bank [Member]
Line of Credit Facility, Maximum Borrowing Capacity	$ 12,000,000
Line of Credit Facility Reduction	1,500,000
Subsequent Event [Member] \| Amendment 7 [Member] \| PNC Bank [Member] \| Term Loan [Member]
Long-term Debt	6,100,000
Debt Instrument, Periodic Payment, Principal	$ 102,000
Debt Instrument, Term	5 years
Subsequent Event [Member]
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months	$ 1,486,000
Revolving Credit Facility [Member] \| Amended Loan Agreement [Member] \| PNC Bank [Member]
Line of Credit Facility, Maximum Borrowing Capacity				$ 12,000,000
Revolving Credit Facility [Member] \| PNC Bank [Member]
Line of Credit Facility, Current Borrowing Capacity						$ 2,687,000
Line of Credit Facility Reduction						$ 1,500,000
Amendment 4 [Member] \| PNC Bank [Member] \| Term Loan [Member]
Long-term Debt				16,000,000
Debt Instrument, Periodic Payment, Principal				$ 190,000
Debt Instrument, Term				7 years
Amendment 6 [Member] \| PNC Bank [Member] \| PFSG [Member]
Line of Credit Facility Reduction		$ 1,500,000
Proceeds from Insurance Settlement, Investing Activities		$ 3,850,000
Promissory Notes and Installment Agreements [Member] \| TNC [Member]
Debt Instrument, Annual Principal Payment								$ 230,000
Repayments of Unsecured Debt					$ 10,000
Promissory Note Dated August 2, 2013 [Member] \| Lenders [Member]
Proceeds from Issuance of Long-term Debt			$ 3,000,000
Number of Shares Issued to Each Lender on Warrant			35,000
Class of Warrant or Right, Exercise Price of Warrants or Rights			$ 2.23
Warrants Exercisable Term			180 days
Warrants Not Settleable in Cash, Fair Value Disclosure			$ 59,000
Stock Issued During Period, Shares, Other			90,000
Number of Shares Received by each Lender			45,000
Stock Issued During Period, Value, Other			$ 200,000
Maximum Number of Payoffs of Shares in Terms of Outstanding Equity						20.00%
Long-term Debt						$ 9,988,000	$ 11,372,000
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months						2,508,000
Debt Instrument, Unamortized Discount						$ 50,000	$ 137,000
Share Price			$ 2.23