Quarterly report pursuant to Section 13 or 15(d)

Note 4 - Capital Stock, Stock Plans and Stock-based Compensation (Tables)

Note 4 - Capital Stock, Stock Plans and Stock-based Compensation (Tables)

6 Months Ended

Jun. 30, 2017

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, 2017			247,200			$	6.69
Granted			6,000				3.79
Exercised			─				─
Forfeited/expired			(30,000	)			5.00
Options outstanding end of period (1)			223,200			$	6.84				4.5			$	13,080
Options exercisable at June 30, 2017 (1)			180,534			$	7.51				4.3			$	13,080
Options exercisable and expected to be vested at June 30, 2017			223,200			$	6.84				4.5			$	13,080

		Shares				Weighted Average Exercise Price				Weighted Average Remaining Contractual Term (years)				Aggregate Intrinsic Value (2)
Options outstanding January 1, 2016			218,000			$	7.65
Granted			50,000				3.79
Exercised			─				─
Forfeited/expired			─				─
Options outstanding end of period (1)			268,000			$	6.96				4.6			$	134,102
Options exercisable at June 30, 2016 (1)			181,533			$	8.18				4.4			$	74,802
Options exercisable and expected to be vested at June 30, 2016			254,883			$	7.10				4.6			$	125,230

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

		Outside Director Stock Options Granted
		January 13, 2017
Weighted-average fair value per option		$	2.63
Risk -free interest rate (1)			2.40%
Expected volatility of stock (2)			56.32%
Dividend yield			None
Expected option life (years) (3)			10.0

		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 (years) (3)			6.0

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

		Three Months Ended								Six Months Ended
Stock Options		June 30,								June 30,
		2017				2016				2017				2016
Employee Stock Options		$	11,000			$	17,000			$	21,000			$	31,000
Director Stock Options			8,000				—				20,000				14,000
Total		$	19,000			$	17,000			$	41,000			$	45,000