CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Current assets:
Cash	$ 100	$ 587
Accounts receivable, net of allowance for doubtful accounts of $83	1,765	1,798
Inventories	3,601	3,075
Prepaid expenses and other current assets	169	186
Total current assets	5,635	5,646
Property and equipment, net	1,977	1,941
In-process research and development	4,620	4,620
Trademarks, trade names	1,240	1,240
Goodwill	4,658	4,658
Other assets	352	273
Total assets	18,482	18,378
Current liabilities:
Secured lines of credit and current portion of long-term debt	3,072	2,857
Notes due to employees, current portion	225	202
Account payable and accrued expenses	3,230	3,032
Advances - related parties	50	70
Total current liabilities	6,577	6,161
Long-term debt, net of current portion	110	121
Notes due to employees, net of current portion	675	725
Deferred tax liability – long-term	2,205	2,205
Total liabilities	$ 9,567	$ 9,212
Commitments and contingencies
Stockholders’ equity :
Preferred stock, $0.001 par value; 10,000,000 shares authorized; 198,355 shares issued and outstanding (liquidation value of all classes of preferred stock $2,465 and $2,442 as of March 31, 2016 and December 31, 2015, respectively)	$ 962	$ 962
Common stock, $0.001 par value; 35 million shares authorized, 21,055,990 shares issued and outstanding	21	21
Additional paid-in capital	8,520	8,340
Treasury stock	(327)	(327)
Accumulated other comprehensive loss	(418)	(609)
Retained earnings	157	779
Total stockholders' equity	8,915	9,166
Total liabilities and stockholders' equity	$ 18,482	$ 18,378