| 
           Fair Value Measurements (Details 1) (USD $) 
        In Thousands, unless otherwise specified  | 
        9 Months Ended | ||
|---|---|---|---|
| 
           Dec. 31, 2013 
         | 
        
           Mar. 31, 2013 
         | 
        
           Dec. 31, 2013
 
          Unobservable Inputs (Level 3) [Member] 
         | 
      |
| Fair value measurement of contingent consideration | |||
| Estimated earn-out contingent consideration | $ 785 | $ 2,333 | $ 3,500 | 
| Working capital and other adjustment | (444) | ||
| Indemnification related to warranty claims | $ (303) | $ (303) | |
| Discount rate | 7.50% | ||
| Approximate timing of cash flows | 1 year 10 months 10 days | 
| X | ||||||||||
| 
             
- Definition 
          Amount of potential cash payments that could result from the contingent consideration arrangement. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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| X | ||||||||||
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- Definition 
          Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
  | 
        
| X | ||||||||||
| 
             
- Definition 
          Business acquisition working capital adjustment offset contingent consideration. No definition available. 
  | 
        
| X | ||||||||||
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- Details 
          
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| X | ||||||||||
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- Definition 
          indemnification asset No definition available. 
  | 
        
| X | ||||||||||
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- Definition 
          Timing of cash flows. No definition available. 
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