Note 3 Business Combinations (Tables)

3 Months Ended

Jun. 30, 2014

Business Combinations [Abstract]

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

		Purchase Price Allocation
			(unaudited)
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

Schedule of Finite-Lived Intangible Assets Acquired as Part of Business Combination [Table Text Block]

					Estimated
		Fair Value		Amortization	Useful Life
		(In thousands)		Method	(In months)
				(unaudited)
Developed intellectual property		$	11,504	Straight-line	60
Customer relationships			6,920	Accelerated	36
Contract backlog			5,155	Straight-line	9
Noncompetition agreement			421	Straight-line	60
	Total	$	24,000

Business Acquisition, Pro Forma Information [Table Text Block]

	Three Months Ended June 30,
	2013
	(unaudited)
Pro forma net revenues	$	95,084
Pro forma net income	$	4,234
Pro forma net income per share (basic)	$	0.14
Pro forma net income per share (diluted)	$	0.13