Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 7,470	$ 5,118
Accounts receivable, net of allowance for doubtful accounts of $20 and $19 respectively	3,220	3,126
Inventories	415	781
Prepaid expenses and other current assets	499	463
Total current assets	11,604	9,488
Property and equipment:
Furniture and fixtures	148	163
Leasehold improvements	6	6
Equipment	1,205	1,339
Property and equipment, Gross	1,359	1,508
Accumulated depreciation	1,020	1,089
Property and equipment, Net	339	419
Operating lease assets, net	191	181
Intangible assets, net	3,348	3,875
Deferred income taxes	5,219	5,220
TOTAL ASSETS	20,701	19,183
Current liabilities:
Accounts payable	276	373
Deferred revenue	34	28
Warranty	142	313
Accrued compensation	209	105
Operating lease obligations	178	164
Short-term debt	556	0
Other current liabilities	94	248
Total current liabilities	1,489	1,231
Operating lease obligations	10	19
Long-term debt	367	0
TOTAL LIABILITIES	1,866	1,250
Shareholders' equity:
Preferred stock, $0.01 par value; 5,000,000 shares authorized, none issued or outstanding	0	0
Common stock, $0.01 par value; 20,000,000 shares authorized, 5,346,291 and 5,322,849 issued and outstanding at September 30, 2020 and December 31, 2019, respectively	53	53
Additional paid-in capital	24,913	24,751
Accumulated other comprehensive loss	(264)	(306)
Accumulated deficit	(5,867)	(6,565)
Total shareholders' equity	18,835	17,933
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$ 20,701	$ 19,183