Note 5 - Commitments and Contingencies (Details) (Alaska Consumer Protection Act Claims [Member], USD $)	1 Months Ended			3 Months Ended	10 Months Ended
	Jun. 30, 2013 Cash and Vouchers [Member]	Jun. 30, 2013 Per Claim Representative [Member]	Dec. 31, 2006 Per Violation [Member]	Mar. 31, 2014	Mar. 31, 2014
Note 5 - Commitments and Contingencies (Details) [Line Items]
Loss Contingency, Damages Sought, Value			$ 500
Loss Contingency, Damages Awarded, Value	450	3,000
Litigation Settlement, Amount					(6,700,000)
Loss Contingency, Damages Paid, Value					4,800,000
Loss Contingency Accrual, Provision					1,900,000
Litigation Settlement, Expense				$ 600,000