Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Current assets
Cash and cash equivalents	$ 34,420	$ 37,326
Restricted cash	1,293	0
Accounts receivable, net	18,761	21,718
Prepaid expenses and other current assets	3,808	4,186
Total current assets	58,282	63,230
Property and equipment, net	20,581	21,817
Goodwill	19,318	19,417
Intangible assets, net	7,325	10,405
Other noncurrent assets	1,587	1,323
Total assets	107,093	116,192
Current liabilities
Accounts payable	2,434	1,710
Accrued expenses and other current liabilities	8,362	11,185
Deferred revenues	795	1,430
Current portion of long-term debt	1,015	1,384
Total current liabilities	12,606	15,709
Long-term debt, less current portion	2,381	1,557
Other long-term liabilities	4,508	4,795
Total liabilities	19,495	22,061
Commitments and contingencies (Note 16)
Stockholders' equity
Convertible preferred stock, $0.001 par value - 10,000 shares authorized, no shares issued and outstanding at December 31, 2016, and December 31, 2015, respectively
Common stock, $0.001 par value - 500,000 shares authorized, 38,792 and 37,568 shares issued, 38,787 and 37,419 outstanding at December 31, 2016, and December 31, 2015, respectively	39	37
Additional paid-in capital	286,659	275,604
Accumulated deficit	(196,213)	(179,733)
Accumulated other comprehensive loss	(2,887)	(1,777)
Total stockholders' equity	87,598	94,131
Total liabilities and stockholders' equity	$ 107,093	$ 116,192