Note 7 - Share-based Compensation and Employee Benefit Plan (Tables)

9 Months Ended

Sep. 30, 2019

Notes Tables

Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]

Three months ended September 30, 2019:	Number of Shares Awarded			Weighted Average Grant Date Fair Value
Unvested at June 30, 2019		29,529		$	13.94
Vested		(2,392	)	$	17.11
Unvested at September 30, 2019		27,137		$	13.66
Nine months ended September 30, 2019:
Unvested at December 31, 2018		31,790		$	14.06
Granted		9,675		$	15.52
Vested		(14,328	)	$	15.79
Unvested at September 30, 2019		27,137		$	13.66

Three months ended September 30, 2018:	Number of Shares Awarded			Weighted Average Grant Date Fair Value
Unvested at June 30, 2018		38,086		$	14.57
Vested		(2,388	)	$	16.24
Forfeited		(200	)	$	15.50
Unvested at September 30, 2018		35,498		$	14.46
Nine months ended September 30, 2018:
Unvested at December 31, 2017		25,870		$	12.15
Granted		18,323		$	18.07
Vested		(7,291	)	$	15.36
Forfeited		(1,404	)	$	14.44
Unvested at September 30, 2018		35,498		$	14.46