Note 4 - Stock-based Compensation (Tables)

9 Months Ended

Sep. 30, 2017

Notes Tables

Share-based Compensation, Stock Options, Activity [Table Text Block]

	Weighted Average Exercise Price			# of shares			Weighted Average Remaining Contractual Term (in years)		Aggregate Intrinsic Value
Outstanding, January 1, 201 7	$	5.14			56,400
Granted		-			-
Cancelled		5.14			(12,000	)
Exercised		5.14			(44,400	)		3.99	$	155,606
Outstanding, Sept 30, 2017	$	-			-			-	$	-
Exercisable, Sept 30, 2017	$	-			-			-	$	-
Outstanding, January 1, 201 6	$	5.17			68,400
Granted		-			-
Cancelled		(5.30	)		(12,000	)
Exercised		-			-
Outstanding, Sept 30, 2016	$	6.27			56,400			4.47	$	70,545
Exercisable, Sept 30, 2016	$	6.27			56,400			4.47	$	70,545

Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block]

	Shares			Award Fair Value
Balance, January 1, 201 7		62,046		$	8.24
Granted		9,005			8.05
Forfeited		(5,403	)		8.05
Vested		(28,847	)		7.84
Unvested Balance, September 30, 2017		36,801		$	7.93
Balance, January 1, 201 6		60,433		$	8.97
Granted		33,685			7.14
Forfeited		(8,187	)		8.97
Vested		(20,784	)		8.97
Unvested Balance, September 30, 2016		65,147		$	8.03

Schedule of Unrecognized Compensation Cost, Nonvested Awards [Table Text Block]

2017	$34,219
2018	100,127
2019	58,126
2020	14,853
2021	1,208