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Subsequent Events - Additional Information (Detail) (USD $) | 3 Months Ended |  | 0 Months Ended
--- | --- | --- | ---
Mar. 31, 2014 | Mar. 22, 2013 | Apr. 08, 2014 Subsequent Events [Member]
Subsequent Event [Line Items] |  |  |
Percentage of acquired issued and outstanding shares |  | 100.00% | 100.00%
Business acquisition cash paid | $ 2,191,781 |  | $ 33,600,000
Cash withheld until final determination |  |  | 500,000
Cash held in escrows |  |  | 1,000,000
Cash held in escrows period |  |  | 36 months
Maximum Escrow Deposit on achievement of performance under stock purchase agreement |  |  | $ 5,000,000

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