CONDENSED CONSOLIDATED BALANCE SHEETS (unaudited) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 1,294	$ 3,302
Restricted cash	342	724
Accounts receivable, net of allowance for doubtful accounts of $14,741 and $14,959, respectively	3,355	8,469
Inventories, net	8,204	11,735
Deferred tax asset, net	478	470
Prepaid expenses and other current assets	3,986	2,795
Total current assets	17,659	27,495
Property and equipment, net	1,051	1,306
Patents and licensed technologies, net		1,613
Other intangible assets, net		241
Goodwill, net		3,581
Other assets, net	173	138
Total assets	18,883	34,374
Current liabilities:
Notes payable	161	490
Accounts payable	6,585	7,216
Accrued compensation and related expenses	3,716	2,917
Other accrued liabilities	8,395	8,565
Current portion of deferred revenues	1,144	1,847
Total current liabilities	20,001	21,035
Long-term liabilities:
Deferred revenue, net of current portion	274	642
Total liabilities	20,275	21,677
Commitments and contingencies (Note 12)
Stockholders' (deficit) equity:
Preferred Stock, $.01 par value, 5,000,000 shares authorized; 0 shares issued and outstanding at September 30, 2016 and December 31, 2015
Common Stock, $.01 par value, 50,000,000 shares authorized; 4,361,094 and 4,398,344shares issued and outstanding, respectively	221	221
Additional paid-in-capital	118,094	116,616
Accumulated deficit	(117,023)	(102,371)
Accumulated other comprehensive loss	(2,684)	(1,769)
Total stockholders' (deficit) equity	(1,392)	12,697
Total liabilities and stockholders' (deficit) equity	$ 18,883	$ 34,374