Number of shares issued during the period for cashless exercise of warrants, transaction two.

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- Definition

Exercise price per share or per unit of warrants or rights outstanding.

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- Definition

Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

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- Definition

Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount, after accumulated amortization, of debt discount.

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Amount of expense (income) related to adjustment to fair value of warrant liability.

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Amount of the cost of borrowed funds accounted for as interest expense for debt.

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The cash outflow to repay long-term debt that is wholly or partially secured by collateral. Excludes repayments of tax exempt secured debt.

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Notes Payable (Square 1 Bank Loan) (Details) - USD ($)	1 Months Ended	12 Months Ended
Notes Payable (Square 1 Bank Loan) (Details) - USD ($)	Sep. 30, 2014	Dec. 31, 2016	Dec. 31, 2015	Mar. 23, 2016	Dec. 31, 2014	Aug. 31, 2014
Debt Instrument [Line Items]
Exercise price of warrants				$ 1.00
Number of shares of common stock issuable through warrants				6,825,000
Secured Debt [Member]
Debt Instrument [Line Items]
Repayment of principal made during period		$ 6,800,000	$ 600,000
Interest paid during period			300,000
Exercise price of warrants						$ 4.27
Number of shares of common stock issuable through warrants						52,695
Secured Debt [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Debt instrument, face amount						$ 7,500,000
Debt instrument, interest rate		6.30%
Secured Debt [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate		3.05%
Secured Debt [Member] \| Tranche One Loan [Member]
Debt Instrument [Line Items]
Debt instrument, face amount						1,500,000
Secured Debt [Member] \| Tranche Two Loan [Member]
Debt Instrument [Line Items]
Debt instrument, face amount						1,500,000
Secured Debt [Member] \| Tranche Three Loan [Member]
Debt Instrument [Line Items]
Debt instrument, face amount						2,250,000
Secured Debt [Member] \| Tranche Four Loan [Member]
Debt Instrument [Line Items]
Debt instrument, face amount						$ 2,250,000
Secured Debt [Member] \| Common Stock [Member]
Debt Instrument [Line Items]
Number of shares issued from cashless exercise of warrant	17,664
Warrant [Member]
Debt Instrument [Line Items]
Number of shares issued from cashless exercise of warrant	17,664
Fair value of the warrant	$ 300,000
Warrant [Member] \| Secured Debt [Member]
Debt Instrument [Line Items]
Debt discount			$ 200,000		$ 323,021