Note 6 - Convetible Debt - Related Party (Details) - Convertible Debt-Related Party (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014 Replacement Note [Member] Gross Amount [Member]	Mar. 31, 2014 Replacement Note [Member] Net Amount [Member]	Sep. 19, 2012 Replacement Note [Member]	Mar. 31, 2014 The 2013 Note [Member] Gross Amount [Member]	Mar. 31, 2014 The 2013 Note [Member] Convertible Debt [Member]	Mar. 31, 2014 The 2013 Note [Member] Net Amount [Member]	Mar. 31, 2014 Gross Amount [Member]	Mar. 31, 2014 Convertible Debt [Member]	Mar. 31, 2014 Net Amount [Member]
Related Party Transaction [Line Items]
Gross Principal Amount Outstanding	$ 22,414	$ 17,000	$ 20,000	$ 20,000	$ 20,000	$ 3,500		$ 2,414	$ 23,500		$ 22,414
Unamortized Debt Discount							(1,086)			(1,086)
Net Amount Outstanding	$ 22,414	$ 17,000	$ 20,000	$ 20,000	$ 20,000	$ 3,500		$ 2,414	$ 23,500		$ 22,414