Subsequent Event	12 Months Ended
Dec. 31, 2014
Subsequent Events [Abstract]
Subsequent Event	16. SUBSEQUENT EVENT On January 30, 2015, the Company entered into a Loan and Security Agreement (the “Loan Agreement”) which provides a secured term loan facility in an aggregate principal amount of up to $20.0 million. The Company borrowed the first advance of $16.0 million (“Draw A”) on January 30, 2015. Under the terms of the Loan Agreement, following a six month period from the closing date and until any time before December 31, 2015, the Company may, at its option, borrow from the lender a second advance of $4.0 million (“Draw B”), subject to the Company’s satisfaction of certain conditions described in the Loan Agreement. Draw A was used to pay-off the Company’s existing term debt of $11.3 million. Draw A and Draw B each bear interest at a floating rate equal to 2.00%, plus the greater of (i) 3.25% or (ii) the prime rate published by the lender. In connection with the Loan Agreement, the Company agreed to issue to the lender warrants to purchase shares of the Company’s common stock upon the drawdown of each advance in an amount equal to 1.5% of the amount drawn, divided by the exercise price per share for that tranche. As a result of Draw A, the Company issued to the lender a warrant to purchase an aggregate of 34,483 shares of the Company’s common stock, at an exercise price equal to $6.96 per share.

16. SUBSEQUENT EVENT

On January 30, 2015, the Company entered into a Loan and Security Agreement (the “Loan Agreement”) which provides a secured term loan facility in an aggregate principal amount of up to $20.0 million. The Company borrowed the first advance of $16.0 million (“Draw A”) on January 30, 2015. Under the terms of the Loan Agreement, following a six month period from the closing date and until any time before December 31, 2015, the Company may, at its option, borrow from the lender a second advance of $4.0 million (“Draw B”), subject to the Company’s satisfaction of certain conditions described in the Loan Agreement. Draw A was used to pay-off the Company’s existing term debt of $11.3 million. Draw A and Draw B each bear interest at a floating rate equal to 2.00%, plus the greater of (i) 3.25% or (ii) the prime rate published by the lender.

In connection with the Loan Agreement, the Company agreed to issue to the lender warrants to purchase shares of the Company’s common stock upon the drawdown of each advance in an amount equal to 1.5% of the amount drawn, divided by the exercise price per share for that tranche. As a result of Draw A, the Company issued to the lender a warrant to purchase an aggregate of 34,483 shares of the Company’s common stock, at an exercise price equal to $6.96 per share.