CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Current assets:
Cash	$ 14,041	$ 22,978
Accounts receivable (net of allowance for doubtful accounts of $108 and $225, respectively)	14,729	17,093
Inventory	3,155	3,488
Other current assets	1,116	1,164
Total current assets	33,041	44,723
Property and equipment, net	3,493	3,875
Total assets	36,534	48,598
Current liabilities:
Accounts payable	6,272	6,535
Accrued expenses	4,135	4,523
Current portion of term loan credit agreement, net of deferred costs of $110	2,112	779
Warrant liabilities	209	757
Other	215	259
Total current liabilities	12,943	12,853
Long term deferred rent	8,040	9,318
Revolving and term loan credit agreement, net of deferred costs of $238 and $293, respectively	1,567	1,687
Other long term debt	11	32
Total liabilities	22,561	23,890
COMMITMENTS AND CONTINGENCIES (Note 13)
Shareholders’ equity:
Common stock, no par value; shares authorized — 75,000; shares issued and outstanding — 32,768 and 31,595, respectively	369,540	329,720
Warrants	190	190
Accumulated deficit	355,757	343,591
Total shareholders’ equity	13,973	24,708
Total liabilities and shareholders’ equity	36,534	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