CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 38,512	$ 23,993
Short-term investment	251	0
Accounts receivable, net of allowances for bad debts and customer credits of $1,015 and $1,045 at December 31, 2016 and 2015, respectively	33,634	28,091
Deferred tax asset	4,669	3,642
Prepaid expenses and other current assets	901	1,276
Total current assets	77,967	57,002
Property and equipment, net	4,430	4,296
Investments	680	680
Intangible assets, net	23,783	29,515
Goodwill	42,821	42,903
Long-term deferred tax asset	14,799	17,820
Other assets	801	1,372
Total assets	165,281	153,588
Current liabilities:
Accounts payable	9,764	7,643
Accrued employee-related benefits	4,530	3,945
Accrued expenses and other current liabilities	8,315	6,799
Current portion of term loan payable	6,563	5,250
Total current liabilities	29,172	23,637
Convertible note payable	1,000	1,000
Long-term portion of term loan payable	7,500	12,750
Borrowings under revolving credit facility	8,000	8,000
Total liabilities	45,672	45,387
Commitments and contingencies (Note 7)
Stockholders' equity:
Common stock, $0.001 par value; 55,000,000 shares authorized; 11,012,625 and 10,626,624 shares issued and outstanding at December 31, 2016 and 2015, respectively	11	11
Additional paid-in capital	350,022	342,485
Accumulated deficit	(230,424)	(234,295)
Total stockholders' equity	119,609	108,201
Total liabilities and stockholders' equity	165,281	153,588
Series A Preferred Stock [Member]
Stockholders' equity:
Preferred Stock	0	0
Series B Preferred Stock [Member]
Stockholders' equity:
Preferred Stock	$ 0	$ 0