Supplemental Disclosure of Cash Flow and Non-Cash Investing and Financing Activities (Tables)

12 Months Ended

Dec. 31, 2015

Supplemental Cash Flow Elements [Abstract]

Supplemental disclosure of cash flow and non-cash investing and financing activities

Selected cash payments, receipts, and noncash activities are as follows (in thousands):

	Years Ended December 31,
	2015		2014		2013
Cash paid for interest	$	86	$	48	$	36
Income taxes paid	2,293		384		61
Purchases of equipment financed through capital leases	—		—		355
Retirement of fixed assets	319		—		—
Deferred financing costs	504		—		27
APIC related tax adjustments	7,757		—		—
Stock issuance in connection with Earn-Out Liability of 1,174,915 shares	—		—		5,792
Stock issuance in exchange for convertible debt of 5,272,004 shares	—		—		5,272
Stock issuance of 16,493 and 15,958 shares in exchange for services performed in 2015 and 2014, respectively	164		117		—
Tenant improvement incentive	—		—		997
Legal fees paid for public offering	—		—		102
Legal fees related to public offering included in accounts payable	—		—		30
Legal fees related to public offering included in accrued expenses	—		—		62