Note 1 - Organization and Summary of Significant Accounting Policies (Details) - Other Intangible Assets (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Finite-Lived Intangible Assets [Line Items]
Accumulated Amortization, Intangibles Subject To Amortization	$ (6,432)	$ (10,380)
Total	30,169	46,966
Total	(6,432)	(10,380)
Total	23,737	36,586
Trademarks/Tradenames not subject to amortization [Member]
Finite-Lived Intangible Assets [Line Items]
Trademarks/Tradenames not subject to amortization	569	1,266
Trademarks/Tradenames not subject to amortization	569	1,266
Trademarks/Tradenames not subject to amortization
Weighted Average Remaining Amortization Period (Years)
Trademarks subject to amortization (5 years) [Member]
Finite-Lived Intangible Assets [Line Items]
Trademarks/Tradenames not subject to amortization	1 year 146 days
Gross Carrying Value, Intangibles Subject To Amortization	2,100	2,100
Accumulated Amortization, Intangibles Subject To Amortization	(1,505)	(1,085)
Total Net Book Value, Intangibles Subject To Amortization	595	1,015
Weighted Average Remaining Amortization Period (Years)	1 year 146 days
Total	(1,505)	(1,085)
Customer Relationships (20 years) [Member]
Finite-Lived Intangible Assets [Line Items]
Trademarks/Tradenames not subject to amortization	16 years 146 days
Gross Carrying Value, Intangibles Subject To Amortization	27,500	43,200
Accumulated Amortization, Intangibles Subject To Amortization	(4,927)	(8,927)
Total Net Book Value, Intangibles Subject To Amortization	22,573	34,273
Weighted Average Remaining Amortization Period (Years)	16 years 146 days
Total	(4,927)	(8,927)
Intellectual Property (7 years) [Member]
Finite-Lived Intangible Assets [Line Items]
Trademarks/Tradenames not subject to amortization
Gross Carrying Value, Intangibles Subject To Amortization		400
Accumulated Amortization, Intangibles Subject To Amortization		(368)
Total Net Book Value, Intangibles Subject To Amortization		32
Weighted Average Remaining Amortization Period (Years)
Total		$ (368)