Supplemental Disclosure of Cash Flow and Non-Cash Investing and Financing Activities (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Cash and Cash Equivalents [Line Items]
Cash paid for interest	$ 86	$ 48	$ 36
Income taxes paid	2,293	384	61
Purchases of equipment financed through capital leases	0	0	355
Retirement of fixed assets	319	0	0
Deferred financing costs	504	0	27
APIC related tax adjustments	7,757	0	0
Stock issuance in connection with Earn-Out Liability of 1,174,915 shares	0	0	$ 5,792
Stock issued for earn-out liability (in shares)			1,174,915
Stock issuance in exchange for convertible debt of 5,272,004 shares	0	0	$ 5,272
Stock issued for convertible debt (in shares)			5,272,004
Stock issuance of 16,493 and 15,958 shares in exchange for services performed in 2015 and 2014, respectively	$ 164	$ 117	$ 0
Shares issued for services performed (in shares)	16,493	15,958
Tenant improvement incentive	$ 0	$ 0	997
Legal fees paid for public offering	0	0	102
Accounts Payable
Cash and Cash Equivalents [Line Items]
Legal fees paid for public offering	0	0	30
Accrued Expenses
Cash and Cash Equivalents [Line Items]
Legal fees paid for public offering	$ 0	$ 0	$ 62