CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 21,020	$ 18,298
Accounts receivable, net of allowance for doubtful accounts of $6,624 and $7,532, at September 30, 2013 and December 31, 2012, respectively	11,894	13,792
Other receivables, net of allowance for doubtful accounts of $89 and $85 at September 30, 2013 and December 31, 2012, respectively	6,312	6,515
Inventory	3,414	2,894
Prepaid expenses and other current assets	3,327	1,923
Total current assets	45,967	43,422
Property and equipment, net	17,712	19,851
Intangible assets, net	7,886	9,664
Goodwill	16,469	16,446
Other assets	646	627
Total assets	88,680	90,010
Current liabilities:
Accounts payable	8,326	6,349
Accrued liabilities	10,199	9,946
Current portion of capital leases	187
Deferred revenue	2,436	2,195
Total current liabilities	21,148	18,490
Deferred tax liability	878	866
Long term portion of capital leases	511
Deferred rent	398	656
Total liabilities	22,935	20,012
Shareholders' equity:
Common stock, $0.001 par value; 200,000,000 shares authorized; 25,723,376 and 25,189,340 shares issued and outstanding at September 30, 2013 and December 31, 2012, respectively	26	25
Paid-in capital	259,536	256,448
Accumulated deficit	(193,817)	(186,475)
Total stockholders' equity	65,745	69,998
Total liabilities and stockholders' equity	$ 88,680	$ 90,010