Common Stock for Issuance Reserve (Detail) - Shares to be Issued for Acquisitions	Jun. 30, 2015 shares
Schedule of Capitalization, Equity [Line Items]
Total reserved shares	8,016,420
Total reserved shares	5,059,334
Shares Subject to Warrants
Schedule of Capitalization, Equity [Line Items]
Total reserved shares	289,187
Employee Stock Options and Restricted Stock
Schedule of Capitalization, Equity [Line Items]
Total reserved shares	2,667,899