Subsequent Events	6 Months Ended
Jun. 30, 2016
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events Japan Lifeline Co., Ltd. Credit Facility On July 4, 2016, the Company entered into a loan agreement with Japan Lifeline Co., Ltd. (“JLL”), the Company’s Japanese distributor, pursuant to which, on July 11, 2016, the Company borrowed $6.0 million (the “JLL Credit Facility”). All amounts owing under the JLL Credit Facility accrued interest at a rate of 1.5% per annum and would become due and payable upon the earlier of (a) a business day within 30 days following the termination of the Company’s distribution agreement with JLL and (b) the end of the amended Initial Term (as defined in the Distribution Agreement) of the Distribution Agreement. The JLL Credit Facility is collateralized by all of the Company's assets, except its intellectual property. The Company terminated the JLL Credit Facility on July 29, 2016 concurrent with its entry into a credit and security agreement with MidCap. MidCap Credit Facility On July 29, 2016, the Company entered into a credit and security agreement with MidCap, as agent for the lenders party thereto and as a lender, whereby the Company may borrow up to the lesser of $50.0 million or its applicable borrowing base of asset-based revolving loans (the “MidCap Credit Facility”). All amounts owing under the MidCap Credit Facility shall accrue interest at a rate equal to the LIBOR Rate plus four and one tenth percent (4.10%). For purposes of the MidCap Credit Facility, LIBOR Rate means a per annum rate of interest equal to the greater of (a) one half of one percent (0.50%) and (b) the rate determined by MidCap by dividing (i) the Base LIBOR Rate, meaning the base London interbank offer rate for the applicable interest period, by (ii) the sum of one minus the daily average during such interest period of the aggregate maximum reserve requirement then imposed under Regulation D of the Board of Governors of the Federal Reserve System for “Eurocurrency Liabilities” (as defined therein). The MidCap Credit Facility is secured by substantially all of the Company's assets, excluding its intellectual property. The MidCap Credit Facility is subject to customary affirmative and negative covenants for asset-based revolving credit facilities, including a minimum net revenue covenant. On July 29, 2016, the Company drew $20.0 million under the MidCap Credit Facility. The MidCap Credit Facility is scheduled to terminate on July 29, 2020.

Subsequent Events

Japan Lifeline Co., Ltd. Credit Facility

On July 4, 2016, the Company entered into a loan agreement with Japan Lifeline Co., Ltd. (“JLL”), the Company’s Japanese distributor, pursuant to which, on July 11, 2016, the Company borrowed $6.0 million (the “JLL Credit Facility”). All amounts owing under the JLL Credit Facility accrued interest at a rate of 1.5% per annum and would become due and payable upon the earlier of (a) a business day within 30 days following the termination of the Company’s distribution agreement with JLL and (b) the end of the amended Initial Term (as defined in the Distribution Agreement) of the Distribution Agreement. The JLL Credit Facility is collateralized by all of the Company's assets, except its intellectual property. The Company terminated the JLL Credit Facility on July 29, 2016 concurrent with its entry into a credit and security agreement with MidCap.

MidCap Credit Facility

On July 29, 2016, the Company entered into a credit and security agreement with MidCap, as agent for the lenders party thereto and as a lender, whereby the Company may borrow up to the lesser of $50.0 million or its applicable borrowing base of asset-based revolving loans (the “MidCap Credit Facility”). All amounts owing under the MidCap Credit Facility shall accrue interest at a rate equal to the LIBOR Rate plus four and one tenth percent (4.10%). For purposes of the MidCap Credit Facility, LIBOR Rate means a per annum rate of interest equal to the greater of (a) one half of one percent (0.50%) and (b) the rate determined by MidCap by dividing (i) the Base LIBOR Rate, meaning the base London interbank offer rate for the applicable interest period, by (ii) the sum of one minus the daily average during such interest period of the aggregate maximum reserve requirement then imposed under Regulation D of the Board of Governors of the Federal Reserve System for “Eurocurrency Liabilities” (as defined therein). The MidCap Credit Facility is secured by substantially all of the Company's assets, excluding its intellectual property. The MidCap Credit Facility is subject to customary affirmative and negative covenants for asset-based revolving credit facilities, including a minimum net revenue covenant. On July 29, 2016, the Company drew $20.0 million under the MidCap Credit Facility. The MidCap Credit Facility is scheduled to terminate on July 29, 2020.