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Debt - Long-Term Debt (Detail) - USD ($)	Dec. 31, 2015	Dec. 31, 2014	Nov. 21, 2014	Mar. 20, 2014	Mar. 17, 2014	Aug. 30, 2013	Jul. 30, 2013
Debt Instrument [Line Items]
Note payable related to software license purchases	$ 189,000	$ 250,000
Financing agreements for premiums on insurance policies	1,599,000	1,580,000
Total	84,587,000	88,220,000
Add: capital leases	1,277,000	1,784,000
Less: debt discount	(5,279,000)	(7,331,000)
Total long term debt and capital lease obligations	80,585,000	82,673,000
Less: current portion of long-term debt	(80,105,000)	(8,076,000)
Total long-term debt, net of current portion	480,000	74,597,000
Amended Credit Facility with MidCap [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity	56,799,000	60,390,000				$ 73,000,000	$ 50,000,000
Deerfield [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 26,000,000	$ 26,000,000			$ 50,000,000
Less: debt discount			$ (200,000)	$ (500,000)

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Financing Agreement Amount

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Present value of minimum lease payments for capital leases net of executory costs, including amounts paid by the lessee to the lessor for insurance, maintenance and taxes.

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Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations.

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Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer.

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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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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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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount of long-term debt and capital lease obligation due after one year or beyond the normal operating cycle, if longer.

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Amount of long-term debt and capital leases due within one year or the normal operating cycle, if longer.

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Carrying value as of the balance sheet date of notes payable (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion.

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