CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Current assets:
Cash	$ 15,466	$ 22,978
Accounts receivable (net of allowance for doubtful accounts of $226 and $225, respectively)	15,430	17,093
Inventory	4,049	3,488
Other current assets	1,366	1,164
Total current assets	36,311	44,723
Property and equipment, net	3,967	3,875
Total assets	40,278	48,598
Current liabilities:
Accounts payable	5,972	6,535
Accrued expenses	4,514	4,523
Current portion of term loan credit agreement (net of deferred costs of $110)	2,557	779
Warrant liabilities	1,269	757
Other	216	259
Total current liabilities	14,528	12,853
Long term deferred rent	7,400	9,318
Revolving and term loan credit agreement (net of deferred costs of $211 and $293, respectively)	1,613	1,687
Other long term debt	0	32
Total liabilities	23,541	23,890
COMMITMENTS AND CONTINGENCIES (Note 13)
Shareholders’ equity:
Common stock, no par value; shares authorized — 75,000; shares issued and outstanding — 34,852 and 31,595, respectively	377,711	329,720
Warrants	190	190
Accumulated deficit	(361,164)	(343,591)
Total shareholders’ equity	16,737	24,708
Total liabilities and shareholders’ equity	40,278	48,598
Series B-2
Shareholders’ equity:
Series B-2 voting convertible preferred stock, no par value: shares authorized and reserved — 39, shares issued and outstanding — 0 and 12, respectively	$ 0	$ 38,389