Note 8 - Lease Commitments (Details) (USD $)	12 Months Ended		1 Months Ended		12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	May 31, 2014 Subsequent Event [Member] Through January 31, 2018 [Member] Company Controlled by Company's Officers and Directors [Member]	May 31, 2014 Subsequent Event [Member] Company Controlled by Company's Officers and Directors [Member]	Mar. 31, 2014 Through May 31, 2014 [Member] Company Controlled by Company's Officers and Directors [Member]	Mar. 31, 2014 Related Party [Member]	Mar. 31, 2013 Related Party [Member]
Note 8 - Lease Commitments (Details) [Line Items]
Operating Leases, Monthly Rent			$ 14,862		$ 14,428
Number of Additional Lease Option Periods				3
Lessee Leasing Arrangements, Operating Leases, Renewal Term				2 years
Lessee Leasing Arrangements, Operating Leases, Periodic Rent Increase in Number of Years	5 years
Lease Termination, Notice Period	90 days
Operating Leases, Rent Expense	$ 1,875,000	$ 1,620,000				$ 173,000	$ 173,000