Subsequent Event	6 Months Ended
Jun. 30, 2018
Subsequent Events [Abstract]
Subsequent Event	Subsequent Events Credit Agreement On August 9, 2018 (the “New Agreement Date”), the Company entered into a Credit Agreement (the “New Credit Agreement”) with Deerfield Revolver, pursuant to which the Company may borrow up to the lesser of $50 million or its applicable borrowing base from time to time prior to April 2, 2022 (the “ABL Facility”). The borrowing base consists of eligible accounts, eligible inventory and eligible equipment. On the New Agreement Date, availability under the ABL Facility was $24.0 million. Any outstanding principal under the ABL Facility will accrue interest at a rate equal to LIBOR (with a 1% floor) plus 5.50% payable in cash. Interest is payable in cash, monthly in arrears on the first business day of the immediately succeeding calendar month and on the maturity date. The interest rate will accrue on a minimum amount of $9,750,000, whether or not such amount is drawn (which amount will not be subject to a commitment fee). The Company is subject to other fees in addition to interest on the outstanding principal amount under the ABL Facility, including a commitment fee of $500,000 (payable $200,000 upon closing, $200,000 on the first anniversary of the closing and $100,000 on the second anniversary of the closing), and a $1,000,000 fee upon the expiration of the ABL Facility. The New Credit Agreement has a $22.5 million minimum global liquidity requirement, net revenue tests, fixed charge coverage, capital expenditure limitations and operating expense tests. The New Credit Agreement also contains various representations and warranties, events of default, and affirmative and negative covenants, customary for financings of this type, including reporting requirements, requirements that the Company maintain timely reporting with the SEC and restrictions on the ability of the Company and its subsidiaries to incur additional liens on their assets, incur additional indebtedness and acquire and dispose of assets outside the ordinary course of business. The Company’s obligations under the New Credit Agreement are secured by a first priority security interest in substantially all of the Company’s assets including intellectual property, with the priority of such security interest being pari passu with the security interest granted to Deerfield pursuant to the Company’s Amended Facility Agreement (as described below). Amended and Restated Facility Agreement Also on August 9, 2018, the Company entered into an Amended and Restated Facility Agreement (the “Amended Facility Agreement”) with Deerfield Private Design Fund IV, L.P. and certain of its affiliates (collectively, “Deerfield”), in order to, among other things, allow for the Company’s entry into the New Credit Agreement and the transactions contemplated therein. The Amended Facility Agreement amends and restates in its entirety the Company’s prior Facility Agreement, dated April 3, 2017 with Deerfield (the “Prior Facility Agreement”). In connection with entering into the Amended Facility Agreement, Deerfield and the Company have cancelled and extinguished the $40.5 million principal amount 3.25% Senior Note held by Deerfield in exchange for an additional $40.5 million of indebtedness under the Amended Facility Agreement. Such amounts are being amortized $20.25 million on April 2, 2022 and $20.25 million on April 2, 2023. Accordingly, the amount outstanding under the Amended Facility Agreement has been increased to a total of $160.5 million. Any outstanding principal under the Amended Facility Agreement will accrue interest at a rate equal to 5.00% payable in cash and 4.75% payable in kind. The Amended Facility Agreement contains the same operating covenants applicable to the New Credit Agreement. The Company may issue up to a maximum of 2,526,800 shares of the Company’s common stock to Deerfield pursuant to the Amended Facility Agreement in lieu of paying cash to satisfy a portion of its obligation to pay interest owed to Deerfield. Each share of the Company’s common stock issued to Deerfield in respect of an obligation to pay interest will be valued at 96% of the lesser of the (i) trailing ten (10) day volume weighted average price per share ending on the last trading date prior to issuance and (ii) the last closing bid price of the Company’s common stock on the last trading date prior to issuance. The Company’s obligations under the Amended Facility Agreement are secured by a first priority security interest in substantially all of the Company’s assets including intellectual property, with the priority of such security interest being pari passu with the security interest granted to Deerfield pursuant to the New Credit Agreement. The Amended Facility Agreement contains various representations and warranties, events of default, and affirmative and negative covenants substantially similar to those contained in the New Credit Agreement. Pursuant to the Amended Facility Agreement, Deerfield has the right, but not the obligation, to convert a portion of the outstanding principal amount of the loan into shares of the Company’s common stock at 96% of the trailing three (3) day volume weighted average price per share on the date of conversion into a maximum of 14,300,000 shares of the Company’s common stock. The first $60 million of the principal amount of the loan (or exercise price of the Warrants elected to be paid through a reduction in principal, as described below) converted into the Company’s common stock will be credited first against principal and payable in kind interest payments due in 2021 and then against principal and payable in kind interest payments due in 2022. Any additional amounts will be split between principal and payment in kind interest payments due in 2022 and 2023. The Company also agreed to pay Deerfield a $6,113,750 fee upon the termination of the Amended Facility Agreement and to reimburse Deerfield for all reasonable out-of-pocket expenses incurred by Deerfield in connection with the negotiation and documentation of the New Credit Agreement and the Amended Facility Agreement. Warrants In connection with the execution of the Amended Facility Agreement, the Company issued to Deerfield warrants to purchase an aggregate of 8,750,001 shares of common stock of the Company at an exercise price equal to $4.71 per share (the “New Deerfield Warrants”). The number of shares of common stock of the Company into which the New Deerfield Warrants are exercisable and the exercise price of the New Deerfield Warrants will be adjusted to reflect any stock splits, recapitalizations or similar adjustments in the number of outstanding shares of common stock of the Company. The New Deerfield Warrants expire on the seventh anniversary of the New Agreement Date. The holders of the New Deerfield Warrants may exercise the New Deerfield Warrants for cash, on a cashless basis, or by reduction of the principal owed to Deerfield pursuant to the Amended Facility Agreement. Restructuring Activities In August 2018, the Company continued its restructuring activities including restructuring certain aspects of its business and operations to re-prioritize its sales and marketing efforts, rationalize its international presence and related expenses, streamline its workforce and take other measures to increase efficiencies, decrease its cash consumption and decrease its cost to serve, while refocusing its business on strong execution of its core strategies. The Company has recently determined to streamline and restructure certain of its operations and implement certain management changes. These plans have resulted in significant changes in the composition of the senior management team.

Subsequent Events

Credit Agreement

On August 9, 2018 (the “New Agreement Date”), the Company entered into a Credit Agreement (the “New Credit Agreement”) with Deerfield Revolver, pursuant to which the Company may borrow up to the lesser of $50 million or its applicable borrowing base from time to time prior to April 2, 2022 (the “ABL Facility”). The borrowing base consists of eligible accounts, eligible inventory and eligible equipment. On the New Agreement Date, availability under the ABL Facility was $24.0 million. Any outstanding principal under the ABL Facility will accrue interest at a rate equal to LIBOR (with a 1% floor) plus 5.50% payable in cash. Interest is payable in cash, monthly in arrears on the first business day of the immediately succeeding calendar month and on the maturity date. The interest rate will accrue on a minimum amount of $9,750,000, whether or not such amount is drawn (which amount will not be subject to a commitment fee). The Company is subject to other fees in addition to interest on the outstanding principal amount under the ABL Facility, including a commitment fee of $500,000 (payable $200,000 upon closing, $200,000 on the first anniversary of the closing and $100,000 on the second anniversary of the closing), and a $1,000,000 fee upon the expiration of the ABL Facility. The New Credit Agreement has a $22.5 million minimum global liquidity requirement, net revenue tests, fixed charge coverage, capital expenditure limitations and operating expense tests. The New Credit Agreement also contains various representations and warranties, events of default, and affirmative and negative covenants, customary for financings of this type, including reporting requirements, requirements that the Company maintain timely reporting with the SEC and restrictions on the ability of the Company and its subsidiaries to incur additional liens on their assets, incur additional indebtedness and acquire and dispose of assets outside the ordinary course of business. The Company’s obligations under the New Credit Agreement are secured by a first priority security interest in substantially all of the Company’s assets including intellectual property, with the priority of such security interest being pari passu with the security interest granted to Deerfield pursuant to the Company’s Amended Facility Agreement (as described below).

Amended and Restated Facility Agreement

Also on August 9, 2018, the Company entered into an Amended and Restated Facility Agreement (the “Amended Facility Agreement”) with Deerfield Private Design Fund IV, L.P. and certain of its affiliates (collectively, “Deerfield”), in order to, among other things, allow for the Company’s entry into the New Credit Agreement and the transactions contemplated therein. The Amended Facility Agreement amends and restates in its entirety the Company’s prior Facility Agreement, dated April 3, 2017 with Deerfield (the “Prior Facility Agreement”).

In connection with entering into the Amended Facility Agreement, Deerfield and the Company have cancelled and extinguished the $40.5 million principal amount 3.25% Senior Note held by Deerfield in exchange for an additional $40.5 million of indebtedness under the Amended Facility Agreement. Such amounts are being amortized $20.25 million on April 2, 2022 and $20.25 million on April 2, 2023.

Accordingly, the amount outstanding under the Amended Facility Agreement has been increased to a total of $160.5 million.

Any outstanding principal under the Amended Facility Agreement will accrue interest at a rate equal to 5.00% payable in cash and 4.75% payable in kind. The Amended Facility Agreement contains the same operating covenants applicable to the New Credit Agreement.

The Company may issue up to a maximum of 2,526,800 shares of the Company’s common stock to Deerfield pursuant to the Amended Facility Agreement in lieu of paying cash to satisfy a portion of its obligation to pay interest owed to Deerfield. Each share of the Company’s common stock issued to Deerfield in respect of an obligation to pay interest will be valued at 96% of the lesser of the (i) trailing ten (10) day volume weighted average price per share ending on the last trading date prior to issuance and (ii) the last closing bid price of the Company’s common stock on the last trading date prior to issuance.

The Company’s obligations under the Amended Facility Agreement are secured by a first priority security interest in substantially all of the Company’s assets including intellectual property, with the priority of such security interest being pari passu with the security interest granted to Deerfield pursuant to the New Credit Agreement.

The Amended Facility Agreement contains various representations and warranties, events of default, and affirmative and negative covenants substantially similar to those contained in the New Credit Agreement.

Pursuant to the Amended Facility Agreement, Deerfield has the right, but not the obligation, to convert a portion of the outstanding principal amount of the loan into shares of the Company’s common stock at 96% of the trailing three (3) day volume weighted average price per share on the date of conversion into a maximum of 14,300,000 shares of the Company’s common stock. The first $60 million of the principal amount of the loan (or exercise price of the Warrants elected to be paid through a reduction in principal, as described below) converted into the Company’s common stock will be credited first against principal and payable in kind interest payments due in 2021 and then against principal and payable in kind interest payments due in 2022. Any additional amounts will be split between principal and payment in kind interest payments due in 2022 and 2023.

The Company also agreed to pay Deerfield a $6,113,750 fee upon the termination of the Amended Facility Agreement and to reimburse Deerfield for all reasonable out-of-pocket expenses incurred by Deerfield in connection with the negotiation and documentation of the New Credit Agreement and the Amended Facility Agreement.

Warrants

In connection with the execution of the Amended Facility Agreement, the Company issued to Deerfield warrants to purchase an aggregate of 8,750,001 shares of common stock of the Company at an exercise price equal to $4.71 per share (the “New Deerfield Warrants”). The number of shares of common stock of the Company into which the New Deerfield Warrants are exercisable and the exercise price of the New Deerfield Warrants will be adjusted to reflect any stock splits, recapitalizations or similar adjustments in the number of outstanding shares of common stock of the Company.

The New Deerfield Warrants expire on the seventh anniversary of the New Agreement Date. The holders of the New Deerfield Warrants may exercise the New Deerfield Warrants for cash, on a cashless basis, or by reduction of the principal owed to Deerfield pursuant to the Amended Facility Agreement.

Restructuring Activities

In August 2018, the Company continued its restructuring activities including restructuring certain aspects of its business and operations to re-prioritize its sales and marketing efforts, rationalize its international presence and related expenses, streamline its workforce and take other measures to increase efficiencies, decrease its cash consumption and decrease its cost to serve, while refocusing its business on strong execution of its core strategies. The Company has recently determined to streamline and restructure certain of its operations and implement certain management changes. These plans have resulted in significant changes in the composition of the senior management team.