Note 14 - Stock Plans (Tables)

12 Months Ended

Dec. 31, 2018

Notes Tables

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

	RSUs			Weighted Average Grant Date Fair Value
Outstanding at December 31, 2017		98,943		$	4.51
Granted		34,755		$	13.30
Vested		(67,386	)	$	4.56
Forfeited or cancelled		-		$	-
Outstanding at December 31, 2018		66,312		$	9.06

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

	ISO s and NQ S tock O ptions		Weighted Average Grant Date Fair Value
Outstanding at December 31, 2017		-	$	-
Granted		50,000	$	16.97
Vested		-	$	-
Forfeited or cancelled		-	$	-
Outstanding at December 31, 2018		50,000	$	16.97