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)

6 Months Ended

Jun. 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			50,000				3.97
Exercised			─				─
Forfeited/expired			─				─
Options outstanding end of period (1)			268,200			$	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

		Shares				Weighted Average Exercise Price				Weighted Average Remaining Contractual Term (years)				Aggregate Intrinsic Value (2)
Options outstanding Janury 1, 2015			239,023			$	7.81
Granted			─				─
Exercised			(2,388	)			2.79							$	3,248
Forfeited/expired			(15,000	)			7.10
Options outstanding end of period (1)			221,635				7.91				4.7			$	18,869
Options exercisable at June 30, 2015 (1)			166,635			$	8.88				4.6			$	18,869
Options exercisable and expected to be vested at June 30, 2015			212,835			$	8.04				4.7			$	18,869

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 (in years) (3)			6.0

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

Stock Options		Three Months Ended June 30,								Six Months Ended June 30,
		2016				2015				2016				2015
Employee Stock Options		$	17,000			$	13,000			$	31,000			$	26,000
Director Stock Options			—				—				14,000				20,000
Total		$	17,000			$	13,000			$	45,000			$	46,000