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Accounts Receivable | 12 Months Ended
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Mar. 31, 2012
Accounts Receivable [Abstract] |
Accounts Receivable | 5. Accounts Receivable Accounts receivable at March 31, 2012 and 2011 consisted of the following (in thousands):
|  | March 31, |
|  | 2012 |  |  | 2011 |
Accounts receivable (billed) | $ | 16,240 |  | $ | 10,938 |
Accounts receivable (unbilled) |  | 2,811 |  |  | 5,004 |
Less: Allowance for doubtful accounts |  | (52 | ) |  | (683 | )
Accounts receivable, net | $ | 18,999 |  | $ | 15,259 |

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