Quarterly report pursuant to Section 13 or 15(d)

Note 5 - Capital Stock, Stock Plans and Stock-based Compensation (Tables)

Note 5 - Capital Stock, Stock Plans and Stock-based Compensation (Tables)

9 Months Ended

Sep. 30, 2016

Notes Tables

Schedule of Stock Options Roll Forward [Table Text Block]

		Shares				Weighted Average Exercise Price				Weighted Average Remaining Contractual Term (years)				Aggregate Intrinsic Value (2)
Options outstanding January 1, 2016			218,200			$	7.65
Granted			62,000				4.09
Exercised		─				─
Forfeited/expired			(33,000	)			8.14
Options outstanding end of period (1)			247,200			$	6.69				4.6			$	126,267
Options exercisable at September 30, 2016 (1)			181,867			$	7.61				4.0			$	69,516
Options exercisable and expected to be vested at September 30, 2016			239,750			$	6.78				4.6			$	118,542

										Weighted
										Average
						Weighted				Remaining
						Average				Contractual				Aggregate
						Exercise				Term				Intrinsic
		Shares				Price				(years)				Value (2)
Options outstanding Janury 1, 2015			239,023			$	7.81
Granted			12,000			$	4.19
Exercised			(3,423	)			2.79							$	4,298
Forfeited/expired			(29,400	)			8.13
Options outstanding end of period (1)			218,200				7.65				5.1			$	25,464
Options exercisable at September 30, 2015 (1)			169,533			$	8.47				4.8			$	25,464
Options exercisable and expected to be vested at September 30, 2015			212,333			$	7.72				5.1			$	25,464

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

		Employee Stock Option Granted
		May 15, 2016
Weighted-average fair value per share		$	2.00
Risk -free interest rate (1)			1.27%
Expected volatility of stock (2)			53.12%
Dividend yield		None
Expected option life (3) (in years)		6.0

		Outside Director Stock Options Granted
		July 28, 2016				September 17, 2015
Weighted-average fair value per share		$	3.0			$	2.84
Risk -free interest rate (1)			1.52%				2.21%
Expected volatility of stock (2)			55.99%				57.98%
Dividend yield			None				None
Expected option life (3) (in years)			10.0				10.0

Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block]

		Three Months Ended								Nine Months Ended
Stock Options		September 30,								September 30,
		2016				2015				2016				2015
Employee Stock Options		$	12,000			$	13,000			$	42,000			$	39,000
Director Stock Options			13,000				2,000				27,000				23,000
Total		$	25,000			$	15,000			$	69,000			$	62,000