CONSOLIDATED CONDENSED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 1,431	$ 13,600
Restricted cash	5,016	0
Accounts receivable, net of allowances for bad debts and customer credits of $553 and $566 at June 30, 2019 and December 31, 2018, respectively	23,331	26,898
Prepaid expenses and other current assets	1,655	1,245
Total current assets	31,433	41,743
Property and equipment, net	3,405	3,181
Right-of-use assets	3,301	0
Intangible assets, net	9,291	11,976
Other assets	819	516
Total assets	48,249	57,416
Current liabilities:
Accounts payable	15,627	17,572
Accrued employee-related benefits	2,391	3,125
Other accrued expenses and other current liabilities	2,064	2,204
Current portion of lease liabilities	1,552	0
Current convertible note payable	0	1,000
Total current liabilities	21,634	23,901
Lease liabilities, net of current portion	1,894	0
Total liabilities	23,528	23,901
Commitments and contingencies (Note 11)
Stockholders' equity:
Common stock, $0.001 par value; 55,000,000 shares authorized and 13,146,831 and 12,960,450 shares issued and outstanding at June 30, 2019 and December 31, 2018, respectively	13	13
Additional paid-in capital	362,737	361,218
Accumulated deficit	(338,029)	(327,716)
Total stockholders' equity	24,721	33,515
Total liabilities and stockholders' equity	48,249	57,416
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	$ 0	$ 0