Note 1 - Summary of Significant Accounting Policies (Details) (USD $)	6 Months Ended				1 Months Ended					1 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Mar. 31, 2014	Mar. 31, 2013	Oct. 24, 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]	May 29, 2014 Board of Directors Chairman [Member] The 2014 Note [Member]	Oct. 28, 2014 Board of Directors Chairman [Member] Subsequent Event [Member]	Oct. 24, 2014 The 2014 Note [Member] Subsequent Event [Member]
Note 1 - Summary of Significant Accounting Policies (Details) [Line Items]
Cash and Cash Equivalents, at Carrying Value	$ 1,395,000	$ 455,000	$ 1,237,000	$ 788,000
Long Term Debt Maximum Amount Lender Agreed To Provide Financial Assistance								5,000,000	5,000,000
Convertible Debt, Noncurrent	24,480,000		22,414,000			3,000,000	2,000,000
Proceeds from Convertible Debt	2,000,000	3,000,000			1,000,000						1,000,000
Additional Financing, Debt or Equity Capital Raised, Maximum										2,500,000
Additional Financing, Repayment Date										Jan. 01, 2016
Additional Financing, Capital										2,500,000
Debt Instrument, Unused Borrowing Capacity, Amount							$ 3,000,000