Note 5 - Convetible Debt - Related Party (Details) - Convertible Debt-Related Party (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Mar. 31, 2014	Sep. 30, 2014 Replacement Note [Member] Gross Amount [Member]	Sep. 30, 2014 Replacement Note [Member] Net Amount [Member]	Sep. 19, 2012 Replacement Note [Member]	Sep. 30, 2014 The 2013 Note [Member] Gross Amount [Member]	Sep. 30, 2014 The 2013 Note [Member] Convertible Debt [Member]	Sep. 30, 2014 The 2013 Note [Member] Net Amount [Member]	Sep. 30, 2014 The 2014 Note [Member] Gross Amount [Member]	Sep. 30, 2014 The 2014 Note [Member] Net Amount [Member]	Sep. 30, 2014 Gross Amount [Member]	Sep. 30, 2014 Convertible Debt [Member]	Sep. 30, 2014 Net Amount [Member]
Related Party Transaction [Line Items]
Amount Outstanding	$ 24,480	$ 22,414	$ 20,000	$ 20,000	$ 20,000	$ 3,500		$ 2,480	$ 2,000	$ 2,000	$ 25,500		$ 24,480
Unamortized Debt Discount							$ (1,020)					$ (1,020)