CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 3,190	$ 1,547
Accounts receivable, net of allowance for doubtful accounts of $20 and $90, respectively	3,339	3,011
Inventories	335	141
Prepaid expenses and other current assets	255	281
Total current assets	7,119	4,980
Property and equipment:
Furniture and fixtures	164	486
Leasehold improvements	26	426
Equipment	998	3,561
Total Property and equipment:	1,188	4,473
Accumulated depreciation	702	4,102
Net Property and equipment:	486	371
Intangible assets, net	3,485	2,795
Deferred income taxes	38	58
TOTAL ASSETS	11,128	8,204
Current liabilities:
Accounts payable	563	256
Warranty	858	1,223
Accrued compensation	288	193
Other current liabilities	778	323
Total current liabilities	2,487	1,995
TOTAL LIABILITIES	2,487	1,995
Shareholders' equity
Preferred stock, $.01 par value; 5,000,000 shares authorized, none issued or outstanding	0	0
Common stock, $.01 par value; 20,000,000 shares authorized, 5,210,448 and 5,094,473 issued and outstanding, respectively	51	50
Additional paid-in capital	24,355	24,055
Accumulated other comprehensive loss	(310)	(363)
Accumulated deficit	(15,455)	(17,533)
Total shareholders' equity	8,641	6,209
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$ 11,128	$ 8,204