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Cash and Cash Equivalents (Details)	Dec. 31, 2016 lender	Dec. 31, 2015 USD ($)	Mar. 31, 2013 USD ($)
Cash and Cash Equivalents
Number of lenders | lender	2
2013 Loan and Security Agreement | Revolving Credit Facility
Cash and Cash Equivalents
Covenant terms, minimum required cash on deposit at lender | $		$ 7,500,000.0	$ 7,500,000.0

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- Definition

Debt Instrument, Covenant Terms, Minimum Required Cash on Deposit at Lender

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- Definition

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- Definition

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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No definition available.

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