CONSOLIDATED CONDENSED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 15,159	$ 24,993
Short-term investment	255	254
Accounts receivable, net of allowances for bad debts and customer credits of $857 and $892 at March 31, 2018 and December 31, 2017, respectively	25,024	25,911
Prepaid expenses and other current assets	1,667	1,805
Total current assets	42,105	52,963
Property and equipment, net	4,070	4,311
Investments	100	100
Intangible assets, net	27,426	29,113
Goodwill		5,133
Long-term deferred tax asset		692
Other assets	1,269	601
Total assets	74,970	92,913
Current liabilities:
Accounts payable	5,984	7,083
Accrued employee-related benefits	1,925	2,411
Other accrued expenses and other current liabilities	7,473	7,252
Current portion of convertible note payable	1,000
Total current liabilities	16,382	16,746
Convertible note payable		1,000
Borrowings under revolving credit facility		8,000
Total liabilities	16,382	25,746
Commitments and contingencies
Stockholders' equity:
Common stock, $0.001 par value; 55,000,000 shares authorized and 13,082,948 and 11,012,625 shares issued and outstanding at September 30, 2017 and December 31, 2016, respectively	13	13
Additional paid-in capital	357,754	356,054
Accumulated deficit	(299,179)	(288,900)
Total stockholders' equity	58,588	67,167
Total liabilities and stockholders' equity	74,970	92,913
Preferred Class A [Member]
Stockholders' equity:
Preferred stock, $0.001 par value, 11,445,187 shares authorized, Series A Preferred stock, none issued and outstanding, Series B Preferred stock, none and 168,007 shares issued and outstanding at September 30, 2017 and December 31, 2016, respectively	$ 0	$ 0