Note 4 - Stock-based Compensation (Tables)

9 Months Ended

Sep. 30, 2016

Notes Tables

Schedule of 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, 2016	$	5.17			68,400
Granted		-			-
Cancelled		(5.30	)		(12,000	)
Exercised		-			-
Outstanding, September 30, 2016	$	6.27			56,400			4.47	$	70,545
Exercisable, September 30, 2016	$	6.27			56,400			4.47	$	70,545
Outstanding, January 1, 2015	$	5.16			72,400
Granted		-			-
Cancelled		(4.96	)		(2,000	)
Exercised		(4.96	)		(2,000	)
Outstanding, September 30, 2015	$	5.17			68,400			5.70	$	83,933
Exercisable, September 30, 2015	$	5.17			68,400			5.70	$	83,933

Schedule of Share-based Compensation, Activity [Table Text Block]

	September 30, 2016		September 30, 2015
Weighted average grant-date fair value of stock options granted		N/A		N/A
Total fair value of stock options vested		N/A		N/A
Total intrinsic value of stock options exercised		N/A	$	2,953

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

	Shares			Award Fair Value
Balance, January 1, 2016		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
Balance, January 1, 2015		34,601		$	8.96
Granted		34,484		$	8.99
Forfeited		-			-
Vested		(8,652	)	$	8.96
Unvested Balance, September 30, 2015		60,433		$	8.97

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

	2016 Award		2015 Award		2014 Award		Total
2016	$	15,032	$	14,126	$	14,127	$	43,285
2017		60,128		56,502		56,506		173,136
2018		60,128		56,502		7,063		123,693
2019		60,128		7,063		-		67,191
2020		10,021		-		-		10,021
	$	205,437	$	134,193	$	77,696	$	417,326