Quarterly report pursuant to Section 13 or 15(d)

Capital Stock, Stock Plans and Stock-Based Compensation (Details Narrative)

Capital Stock, Stock Plans and Stock-Based Compensation (Details Narrative) - USD ($)						3 Months Ended		9 Months Ended
	Jul. 27, 2018	Jul. 26, 2018	May 01, 2018	Jan. 18, 2018	Jan. 13, 2017	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Non-qualified stock options, shares, granted								18,000	318,000
Stock options, grants in period, exercise price								$ 4.22	$ 3.65
Unrecognized compensation cost related to unvested options						$ 487,000		$ 487,000
Employee and director service share-based compensation nonvested awards, compensation not yet recognized, stock options, remainder of fiscal year						55,000		55,000
Employee and director service share-based compensation nonvested awards, compensation not yet recognized, stock options, year two						130,000		130,000
Employee and director service share-based compensation nonvested awards, compensation not yet recognized, stock options, year three						114,000		114,000
Employee and director service share-based compensation nonvested awards, compensation not yet recognized, stock options, year four						114,000		114,000
Employee and director service share-based compensation nonvested awards, compensation not yet recognized, stock options, year five						74,000		74,000
Allocated share-based compensation expense						52,000	$ 34,000	$ 143,000	$ 75,000
Exercised option to purchase of common stock								10,000
Exercised option price per share								$ 3.65
Employee Stock Options [Member]
Allocated share-based compensation expense						$ 37,000	$ 22,000	$ 110,000	$ 43,000
2003 Outside Directors Stock Plan [Member]
Stock issued during period, shares, issued for services								46,630
Allocated share-based compensation expense								$ 191,000
2003 Outside Directors Stock Plan [Member] \| New Director [Member]
Non-qualified stock options, shares, granted				6,000	6,000
Stock options granted contractual term				10 years	10 years
Stock options, grants in period, exercise price				$ 4.05	$ 3.79
2003 Outside Directors Stock Plan [Member] \| New Director [Member] \| Employee Stock Options [Member]
Stock options granted vesting period				6 months	6 months
2003 Outside Directors Stock Plan [Member] \| Board Member [Member]
Non-qualified stock options, shares, granted	12,000	12,000
Stock options granted contractual term	10 years	10 years
Stock options, grants in period, exercise price	$ 3.55	$ 4.30
2003 Outside Directors Stock Plan [Member] \| Board Member [Member] \| Employee Stock Options [Member]
Stock options granted vesting period	6 months	6 months
2017 Stock Option Plan [Member] \| Executive Officers [Member]
Non-qualified stock options, shares, granted	200,000
Stock options granted contractual term	6 years
Stock options, grants in period, exercise price	$ 3.65
2017 Stock Option Plan [Member] \| Executive Officers [Member] \| Employee Stock Options [Member]
Stock options granted vesting period	5 years
2017 Stock Option Plan [Member] \| Robert Ferguson [Member]
Exercised option to purchase of common stock			10,000
Exercised option price per share			$ 3.65
Proceeds from stock option exercised			$ 36,500