CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 6,199	$ 10,605
Short term bank deposit	0	87
Accounts receivable, net of allowance for doubtful accounts of $13,846 and $13,559, respectively	15,717	21,977
Inventories, net	19,863	19,380
Deferred tax asset, net	750	762
Prepaid expenses and other current assets	8,234	8,347
Assets held for sale, net	0	70,855
Total current assets	50,763	132,013
Property and equipment, net	14,547	13,802
Patents and licensed technologies, net	8,253	8,811
Other intangible assets, net	7,936	8,337
Goodwill, net	23,404	24,048
Deferred tax asset, net	587	567
Other assets, net	178	185
Total assets	105,668	187,763
Current liabilities:
Current portion of notes payable	801	704
Current portion of long term debt	3,000	38,732
Accounts payable	12,339	12,419
Accrued compensation and related expenses	2,811	2,622
Other accrued liabilities	10,371	13,022
Current portion of deferred revenues	3,998	4,480
Liabilities held for sale	0	34,497
Total current liabilities	33,320	106,476
Long-term liabilities:
Notes payable, net of current maturities	11	25
Long term debt, net of current maturities	37,018	37,768
Deferred revenues, net of current portion	876	1,127
Other liabilities	148	102
Total liabilities	71,373	145,498
Commitments and Contingencies (Note 12)
Stockholders' equity:
Preferred Stock, $.01 par value, 5,000,000 shares authorized; 0 shares issued and outstanding at March 31, 2015 and December 31, 2014	0	0
Common Stock, $.01 par value, 50,000,000 shares authorized; 22,076,718 and 20,376,245 shares issued and outstanding, respectively	221	204
Additional paid-in capital	113,627	110,391
Accumulated deficit	(77,830)	(67,817)
Accumulated other comprehensive loss	(1,723)	(513)
Total stockholders' equity	34,295	42,265
Total liabilities and stockholders' equity	$ 105,668	$ 187,763