Note 6 - Goodwill and Other Intangible Assets (Detail) - Other Intangible Assets Consist Of The Following: (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Mar. 31, 2012
Accumulated Amortization	$ 9,721	$ 7,743
Gross Carrying Value	46,966	46,966
Total Net Book Value	37,245	39,223
Trademarks/Tradenames not subject to amortization [Member]
Gross Carrying Value	1,266	1,266
Total Net Book Value	1,266	1,266
Trademarks subject to amortization (5 years) [Member]
Gross Carrying Value	2,100	2,100
Accumulated Amortization	980	665
Total Net Book Value	1,120	1,435
Customer Relationships [Member]
Gross Carrying Value	43,200	43,200
Accumulated Amortization	8,387	6,767
Total Net Book Value	34,813	36,433
Intellectual Property (7 years) [Member]
Gross Carrying Value	400	400
Accumulated Amortization	354	311
Total Net Book Value	$ 46	$ 89