Quarterly report pursuant to Section 13 or 15(d)

Financial Instruments (Details)

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Financial Instruments (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
9 Months Ended 9 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Mar. 31, 2012
Dec. 31, 2012
Nano Vibronix [Member]
Dec. 31, 2012
Nano Vibronix [Member]
Convertible Promissory Note [Member]
Nov. 22, 2011
Nano Vibronix [Member]
Convertible Promissory Note [Member]
Dec. 31, 2012
Liability Warrants Having Exercise Price 30 [Member]
Dec. 31, 2011
Liability Warrants Having Exercise Price 30 [Member]
Dec. 31, 2011
Liability Warrants Having Exercise Price 72 [Member]
Financial Instruments [Abstract]                  
Foreign currency transaction gains and (losses) $ 0 $ 27              
Number of open foreign exchange contracts 0                
Class of Warrant or Right [Line Items]                  
Warrants outstanding (in shares) 285,454           8,348 8,348 477
Exercise price of warrants outstanding (in dollars per share)             $ 30.00 $ 30.00 $ 72.00
Non cash gains on warrants 3 6              
Note receivable - CollabRx 0                
Debt extinguishment as a consideration of acquisition 300                
Promissory note liability assumed as a purchase price of acquisition 500                
Investment [Line Items]                  
Strategic investment 337   312 [1]     300      
Interest rate on convertible promissory note (in hundredths)         10.00%        
Maturity date of convertible promissory note       Nov. 15, 2014          
Convertible preferred stock       $ 3,000          
Conversion price (in dollars per share)       $ 0.284          
[1] Derived from the Company's audited consolidated financial statements.