Note 4 - Stock-based Compensation (Tables)

3 Months Ended

Mar. 31, 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		-			-
Exercised		-			-
Outstanding, March 31, 2016	$	5.17			68,400			5.24	$	83,933
Exercisable, March 31, 2016	$	5.17			68,400			5.24	$	83,933
Outstanding, January 1, 2015	$	5.16			72,400
Granted		-			-
Cancelled		-			-
Exercised		(4.96	)		(2,000	)
Outstanding, March 31, 2015	$	5.17			70,400			6.07	$	86,886
Exercisable, March 31, 2015	$	5.17			70,400			6.07	$	86,886

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

	March 31, 2016		March 31, 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, March 31, 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, March 31, 2015		60,433		$	8.97

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

	2016 Award		2015 Award		2014 Award		Total
2016	$	45,095	$	58,127	$	58,130	$	161,352
2017		60,128		77,503		77,506		215,137
2018		60,128		77,503		9,688		147,319
2019		60,128		9,688		-		69,816
2020		10,021		-		-		10,021
	$	235,500	$	222,821	$	145,324	$	603,645