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Note 17 - Quarterly Results (unaudited) (Tables)

12 Months Ended

Mar. 31, 2017

Notes Tables

Quarterly Financial Information [Table Text Block]

		First				Second				Third				Fourth
2017		Quarter				Quarter				Quarter				Quarter
Revenues		$	21,114			$	24,409			$	23,843			$	24,299
Gross profit			12,014				13,724				13,537				13,964
Net income			1,930				2,358				3,252				3,643
Net Income per share – basic		$	0.53			$	0.64			$	0.88			$	0.98
Net Income per share – diluted			0.51				0.62				0.84				0.94

		First				Second				Third				Fourth
201 6		Quarter				Quarter				Quarter				Quarter
Revenues		$	18,158			$	21,776			$	19,913			$	24,812
Gross profit			11,141				13,067				12,209				14,996
Net income			2,755				1,826				2,597				3,991
Net Income per share – basic		$	0.77			$	0.51			$	0.72			$	1.10
Net Income per share – diluted			0.74				0.48				0.69				1.06

		First				Second				Third				Fourth
201 5		Quarter				Quarter				Quarter				Quarter
Revenues		$	16,400			$	18,540			$	17,830			$	18,560
Gross profit			9,705				11,123				11,052				11,512
Net income			1,881				3,060				2,403				2,239
Net Income per share – basic		$	0.54			$	0.87			$	0.68			$	0.63
Net Income per share – diluted			0.51				0.84				0.66				0.61