SUBSEQUENT EVENT - Narrative (Details) $ / shares in Units, $ in Thousands	Aug. 10, 2015 position	Jul. 27, 2015 USD ($) $ / shares shares	Mar. 09, 2015 USD ($) $ / shares	Aug. 27, 2015 USD ($)	Jun. 30, 2015 $ / shares shares	Mar. 23, 2015 $ / shares
Subsequent Event [Line Items]
Par value (in dollars per share) | $ / shares					$ 0.0001
Proceeds from issuance of equity and temporary equity | $			$ 62,500
PBM Services | Scenario, Forecast
Subsequent Event [Line Items]
Purchase price | $				$ 25,000
Class A Warrants
Subsequent Event [Line Items]
Number of securities warrants can purchase (in shares)					1
Exercise price of warrants (in dollars per share) | $ / shares			$ 5.17		$ 5.17	$ 5.17
Class B Warrants
Subsequent Event [Line Items]
Number of securities warrants can purchase (in shares)					1
Exercise price of warrants (in dollars per share) | $ / shares			6.45		$ 6.45	$ 6.45
Series A Preferred Stock
Subsequent Event [Line Items]
Par value (in dollars per share) | $ / shares					0.0001
Redemption price (in dollars per share) | $ / shares			$ 5.17		$ 5.17
Subsequent Event
Subsequent Event [Line Items]
Subscription price (in usd per share) | $ / shares		$ 100.00
Proceeds from issuance of equity and temporary equity | $		$ 1,100
Number of positions expected to be eliminated | position	300
Subsequent Event | Class A Warrants
Subsequent Event [Line Items]
Warrants exercised (in shares)		31,025
Subsequent Event | Class B Warrants
Subsequent Event [Line Items]
Warrants exercised (in shares)		31,025
Subsequent Event | Series A Preferred Stock
Subsequent Event [Line Items]
Subscription rights exercised		10,822
Preferred shares issued		10,822