Note 3 Business Combination (Tables)

9 Months Ended

Dec. 31, 2013

Business Combinations [Abstract]

Schedule of Business Combination Recognized Identifiable Assets Acquired, Goodwill and Liabilities Assumed, Net [Table Text Block]

		Purchase Price Allocation
Inventories		$	800
Property, plant and equipment			36
Identifiable intangible assets			24,000
	Total identifiable net assets		24,836
Goodwill			25,164
	Total purchase price	$	50,000

Business Acquisition, Pro Forma Information [Table Text Block]

	Three Months Ended				Nine Months Ended
	December 31,				December 31,
	2013		2012		2013		2012
	(unaudited)				(unaudited)
Pro forma net revenues	$	89,348	$	83,871	$	270,333	$	277,685
Pro forma net income	$	2,817	$	2,386	$	12,972	$	14,247
Pro forma net income per share (basic)	$	0.09	$	0.08	$	0.42	$	0.46
Pro forma net income per share (diluted)	$	0.09	$	0.08	$	0.41	$	0.45