Note 7 - Lease Commitments (Detail) (USD $)	5 Months Ended	12 Months Ended
May 31, 2014	Mar. 31, 2013	Mar. 31, 2012
Operating Leases, Rent Expense	$ 14,428	$ 1,620,000	$ 1,424,000
Related Party [Member]
Operating Leases, Rent Expense		$ 173,000	$ 164,000

Rental expense incurred for leased assets including furniture and equipment which has not been recognized in costs and expenses applicable to sales and revenues; for example, cost of goods sold or other operating costs and expenses.

No definition available.

Name:	us-gaap_LeaseAndRentalExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration