Annual report pursuant to Section 13 and 15(d)

Sale of Common Stock and Warrants (Details)

v2.4.0.6
Sale of Common Stock and Warrants (Details) (Warrant [Member], USD $)
12 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Mar. 31, 2011
Warrant [Member]
     
Class of Warrant or Right [Line Items]      
Warrants issued (in shares) 0 0 185,777
Warrants fair value     $ 1,645
Interest rate on warrant issued (in hundredths)     1.62%
Term of warrants     4 years
Warrant expense $ 0 $ 0 $ 0
Ownership interest (in hundredths)     25.00%
Warrants outstanding (in shares) 8,348   92,888
Weighted average exercise price of warrants (in dollars per share) $ 30