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Note 7. Stock-Based Awards (Details) - Restricted Stock Activity (Restricted Stock [Member], USD $)
6 Months Ended
Sep. 30, 2013
Restricted Stock [Member]
 
Note 7. Stock-Based Awards (Details) - Restricted Stock Activity [Line Items]  
Nonvested - Number of Shares 122,044
Nonvested - Weighted Average Grant Price (in Dollars per share) $ 2.37
Granted 165,000
Granted (in Dollars per share) $ 0.95
Vested (79,142)
Vested (in Dollars per share) $ 2.16
Nonvested - Number of Shares 207,902
Nonvested - Weighted Average Grant Price (in Dollars per share) $ 1.32