Note 18 - Quarterly Consolidated Financial Data (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2018

Notes Tables

Quarterly Financial Information [Table Text Block]

	Quarters Ended
	3/31/18 (1)		6/30/18 (2)(3)		9/30/18 (4)			12/31/18 (5)			Total
Net revenues	$	18,871	$	21,097	$	20,160		$	18,435		$	78,563
Gross margin		9,395		10,910		10,092			9,004			39,401
Earnings (loss) before income tax expense		982		4,396		162			(497	)		5,043
Income tax expense		601		382		728			295			2,006
Net earnings (loss)		381		4,014		(566	)		(792	)		3,037
Net earnings (loss) per common share – basic	$	0.04	$	0.39	$	(0.05	)	$	(0.08	)	$	0.29
Weighted average common shares outstanding – basic		10,326,309		10,342,674		10,355,673			10,367,132			10,347,947
Net earnings (loss) per common share – diluted	$	0.04	$	0.39	$	(0.05	)	$	(0.08	)	$	0.29
Weighted average common shares outstanding – diluted		10,365,306		10,370,318		10,355,673			10,367,132			10,382,194

	Quarters Ended
	3/31/17		6/30/17		9/30/17 (6)		12/31/17 (7)(8)			Total
Net revenues	$	14,180	$	15,888	$	17,352	$	19,381		$	66,801
Gross margin		7,728		8,421		8,796		9,745			34,690
Earnings (loss) before income tax expense		3,172		2,336		2,841		(4,511	)		3,838
Income tax expense		1,094		891		823		55			2,863
Net earnings (loss)		2,078		1,445		2,018		(4,566	)		975
Net earnings (loss) per common share – basic	$	0.20	$	0.14	$	0.20	$	(0.44	)	$	0.09
Weighted average common shares outstanding – basic		10,264,565		10,277,155		10,288,325		10,308,243			10,284,572
Net earnings (loss) per common share – diluted	$	0.20	$	0.14	$	0.19	$	(0.44	)	$	0.09
Weighted average common shares outstanding – diluted		10,295,337		10,334,894		10,351,009		10,308,243			10,339,313