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Convertible Notes (Details) - USD ($)		12 Months Ended
	Mar. 14, 2016	Dec. 31, 2016	Aug. 31, 2016
Convertible Notes
Interest Expense		$ 687,000
Senior Secured Convertible Notes due August 15 2018
Convertible Notes
Stated interest rate (as a percent)	10.00%
Principal amount	$ 8,000,000
Conversion price (in dollars per share)	$ 9.00
Minimum ownership percentage triggering event for redemption of notes	40.00%
Redemption price (as a percent)	120.00%
Minimum amount of shares issuable if prior to maturity date of debt instrument for resetting conversion price	$ 1,000,000
Maximum amount of indebtedness subordinated by security interest and cash payment rights under debt instruments	$ 5,000,000
Debt issuance costs		100,000
Interest Expense		37,000
Remaining unamortized debt discount		$ 100,000
Senior Secured Convertible Notes due August 15 2018 | Minimum
Convertible Notes
Conversion price (in dollars per share)	$ 8.50
Percentage of beneficial ownership if effective upon conversion date of debt instrument	9.90%
Senior Secured Convertible Notes due August 15 2018 | Maximum
Convertible Notes
Period for outstanding balance of accounts receivable has not recorded an allowance for doubtful accounts (in days)	90 days
Interest Note
Convertible Notes
Principal amount			$ 336,000
Conversion price (in dollars per share)		$ 8.50
Number of shares issuable if notes converted to shares of common stock		980,649

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The percentage of beneficial ownership if effective upon the applicable conversion date of debt instrument.

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The period for outstanding balance of accounts receivable has not recorded an allowance for doubtful accounts pledged under the debt instrument conversion features, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The minimum amount of shares issuable for considering the change in conversion price of debt instrument if prior to the maturity date.

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The maximum amount of indebtedness subordinated by security interest and cash payment rights under the convertible debt instruments.

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The number of shares of common stock that the holder of the debt instrument would receive if the debt was converted to common stock.

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Represents the minimum beneficial ownership percentage which triggers, at the election of the holders, redemption of the notes.

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The price per share of the conversion feature embedded in the debt instrument.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
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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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Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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The amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized.

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Amount of debt issuance costs (for example, but not limited to, legal, accounting, broker, and regulatory fees).

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

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