Business Combination - Purchase Price of Contingent Consideration (Detail) (USD $)	Apr. 01, 2012
Business Acquisition, Contingent Consideration [Line Items]
Initial cash payment	$ 1,400,000
Fair value of contingent consideration	540,000
Total	$ 1,940,000

Fair value, as of the acquisition date, of potential payments under the contingent consideration arrangement including cash and shares.

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+ Details