Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 6,834	$ 5,118
Accounts receivable, net of allowance for doubtful accounts of $20 and $19 respectively	2,629	3,126
Inventories	640	781
Prepaid expenses and other current assets	512	463
Total current assets	10,615	9,488
Property and equipment:
Furniture and fixtures	147	163
Leasehold improvements	6	6
Equipment	1,418	1,339
Property and equipment, Gross	1,571	1,508
Accumulated depreciation	1,186	1,089
Property and equipment, Net	385	419
Operating lease assets, net	245	181
Intangible assets, net	3,535	3,875
Deferred income taxes	5,219	5,220
TOTAL ASSETS	19,999	19,183
Current liabilities:
Accounts payable	253	373
Deferred revenue	18	28
Warranty	150	313
Accrued compensation	235	105
Operating lease obligations	216	164
Short-term debt	402	0
Other current liabilities	148	248
Total current liabilities	1,422	1,231
Operating lease obligations	28	19
Long-term debt	522	0
TOTAL LIABILITIES	1,972	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, 5,338,071 and 5,322,849 issued and outstanding at June 30, 2020 and December 31, 2019, respectively	53	53
Additional paid-in capital	24,858	24,751
Accumulated other comprehensive loss	(358)	(306)
Accumulated deficit	(6,526)	(6,565)
Total shareholders' equity	18,027	17,933
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$ 19,999	$ 19,183