Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Current assets:
Cash	$ 3,711	$ 5,069
Accounts receivable, net of allowances of $655 and $533, respectively	18,219	17,298
Escrow receivable	390	390
Prepaid expenses and other current assets	701	957
Total current assets	23,021	23,714
Property and equipment, net	6,134	6,073
Goodwill	19,281	19,281
Intangible assets, net	2,214	2,439
Long-term receivable, net of allowances of $3,431 and $3,431, respectively
Deposits	72	72
Total assets	50,722	51,579
Current liabilities:
Accounts payable	14,371	12,786
Accrued compensation	1,294	1,462
Deferred rent	273	323
Warrant liability	710	537
Other accrued liabilities	1,587	2,403
Revolving line of credit	9,567	7,342
Current portion of term loan		1,500
Deferred revenue	195	202
Total current liabilities	27,997	26,555
Long-term portion of term loan		375
Senior secured convertible notes, net of discount of $1,276 and $1,533, respectively	4,435	4,017
Deferred income taxes	621	347
Total liabilities	33,053	31,294
Commitments, contingencies and subsequent events
Stockholders' equity:
Convertible preferred stock, $0.00001 par value; 10,000 shares authorized; none issued and outstanding for all periods presented
Common stock, $0.00001 par value; 65,000 shares authorized; issued and outstanding 23,227 and 23,038, respectively
Additional paid-in capital	124,461	124,249
Accumulated deficit	(106,792)	(103,964)
Stockholders' equity	17,669	20,285
Total liabilities and stockholders' equity	$ 50,722	$ 51,579