Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation - Stock option activity summary (Details)

v2.4.0.6
Stock-Based Compensation - Stock option activity summary (Details) (USD $)
9 Months Ended
Dec. 31, 2012
Notes to Financial Statements  
Options outstanding at beginning of period 4,805,771
Options granted 1,075,550
Options forfeited (870,550)
Options expired (44,000)
Weighted Average Exercise Price  
Options outstanding at beginning of period $ 1.53
Options granted $ 0.72
Options forfeited $ 1.72
Options expired $ 0.79
Options outstanding at end of period $ 1.33
Options exercisable at end of period $ 1.36