Note 6 - Convetible Debt - Related Party (Details) - Debt Cost Expense and Interest Expense Related to Outstanding Borrowings (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Note 6 - Convetible Debt - Related Party (Details) - Debt Cost Expense and Interest Expense Related to Outstanding Borrowings [Line Items]
Debt cost expense	$ 43	$ 272
Interest expense	192	503
Related Party [Member]
Note 6 - Convetible Debt - Related Party (Details) - Debt Cost Expense and Interest Expense Related to Outstanding Borrowings [Line Items]
Interest expense	$ 183	$ 488