Note 5 - Convetible Debt - Related Party (Details) (USD $)							1 Months Ended					1 Months Ended	6 Months Ended	1 Months Ended		6 Months Ended
	Sep. 30, 2014	Mar. 31, 2014	Mar. 13, 2014	Jan. 21, 2014	Nov. 26, 2013	Oct. 07, 2013	May 29, 2014 Board of Directors Chairman [Member] The 2014 Note [Member]	Nov. 13, 2014 Board of Directors Chairman [Member] The 2014 Note [Member]	Sep. 30, 2014 Board of Directors Chairman [Member] The 2014 Note [Member]	Jun. 16, 2014 Board of Directors Chairman [Member] The 2014 Note [Member]	Sep. 30, 2011 Board of Directors Chairman [Member] Replacement Note [Member]	Oct. 28, 2014 Board of Directors Chairman [Member] Subsequent Event [Member]	Sep. 30, 2014 The 2013 Note [Member] Convertible Debt [Member]	Sep. 25, 2013 The 2013 Note [Member]	Sep. 30, 2014 The 2013 Note [Member]	Sep. 30, 2014 Replacement Note [Member]	Sep. 19, 2012 Replacement Note [Member]	Jul. 25, 2012 Replacement Note [Member]	Sep. 30, 2014 The Original Agreement [Member] Board of Directors Chairman [Member]	Sep. 30, 2014 The Original Agreement [Member]	Sep. 30, 2014 Convertible Debt [Member]
Note 5 - Convetible Debt - Related Party (Details) [Line Items]
Long Term Debt Maximum Amount Lender Agreed To Provide Financial Assistance							$ 5,000,000			$ 5,000,000
Related Party Transaction, Rate							1.91%							1.66%		0.84%
Debt Instrument, Convertible, Conversion Price (in Dollars per share)			$ 1.54	$ 1.39	$ 1.01	$ 0.95	$ 1.11							$ 0.89		$ 1.20
Convertible Debt, Noncurrent	24,480,000	22,414,000						3,000,000	2,000,000		15,000,000						20,000,000
Notes Payable, Related Parties														3,500,000
Convertible Debt	3,500,000		500,000	1,000,000	1,000,000	1,000,000									3,500,000
Debt Instrument, Unamortized Discount													1,020,000								1,020,000
Debt Instrument, Convertible, Remaining Discount Amortization Period													4 years
Notes Payable, Related Parties, Additional Borrowings Increase (Decrease)																		5,000,000
Due to Related Parties																20,000,000
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in Shares)																			1,880,620
Fair Value Assumptions, Exercise Price (in Dollars per share)																				$ 1.86
Accrued Liabilities, Current	880,000	918,000														376,000
Additional Financing, Repayment Date												Jan. 01, 2016
Additional Financing, Debt or Equity Capital Raised, Maximum												2,500,000
Additional Financing, Capital												$ 2,500,000