Note 11 - Commitments and Contingencies (Details) (USD $)	12 Months Ended			0 Months Ended				12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2012	Apr. 14, 2011 Release from FUNimation Office Lease Guarantee [Member] Letter of Credit [Member]	Apr. 14, 2011 Release from FUNimation Office Lease Guarantee [Member]	Mar. 31, 2014 Release from FUNimation Office Lease Guarantee [Member]	Mar. 31, 2013 Release from FUNimation Office Lease Guarantee [Member]	Mar. 31, 2014 Minimum [Member]	Mar. 31, 2014 Maximum [Member]	Mar. 31, 2014 Optional Additional Terms [Member]
Note 11 - Commitments and Contingencies (Details) [Line Items]
Lessee Leasing Arrangements, Operating Leases, Term of Contract								3 years	15 years	10 years
Operating Leases, Rent Expense	$ 5,400,000	$ 2,800,000	$ 2,500,000
Lease Terms, Additional Rent Per Square Foot (in Dollars per Square Foot)	0.06
Annual Increase in Base Rent	3.00%
Debt Instrument, Term				5 years
Letters of Credit Outstanding, Amount					1,500,000
Annual Decrease in Letter of Credit					300,000
Guarantor Obligations, Maximum Exposure, Undiscounted						$ 2,300,000	$ 2,900,000