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BUSINESS COMBINATIONS - Additional Information (Details) - Adesis Inc [Member] |  | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Jul. 11, 2016 USD ($) | Sep. 30, 2016 USD ($) | Sep. 30, 2016 USD ($) | Jun. 23, 2016 Employee
Business Acquisition [Line Items] |  |  |  |
Business acquisition agreement date |  |  | Jun. 23, 2016 |
Number of employees in contract research organization | Employee |  |  |  | 43
Shares acquired for cash | $ 33,700,000 |  | $ 33,655,000 |
Transaction closed date |  |  | Jul. 11, 2016 |
Basis for additional consideration payable |  |  | if revenues exceed certain threshold levels at the end of each twelve-month period ending December 31, 2016 and December 31, 2017. |
Selling, General and Administrative Expense [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Business acquisition, transaction costs |  | $ 360,000 | $ 360,000 |
Maximum [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Additional cash contingent payable upon achievement of milestone | $ 2,400,000 |  |  |
Additional consideration payable upon achievement of each milestone |  |  | $ 1,200,000 |

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