Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 10,543	$ 21,195
Short term investments	3,485	0
Trade accounts receivable, net of allowance for doubtful accounts of $210 and $213, respectively	22,489	16,536
Inventories	17,519	12,863
Prepaid expenses and other current assets	1,550	1,483
Total current assets	55,586	52,077
Property and equipment:
Machinery and equipment	6,076	5,733
Leasehold improvements	3,206	3,001
Gross property and equipment	9,282	8,734
Less: accumulated depreciation	(6,324)	(6,046)
Net property and equipment	2,958	2,688
Right-of-use assets, net	5,320	5,919
Goodwill	21,720	21,448
Net Carrying Amount	19,907	21,634
Restricted certificates of deposit	100	100
Other assets	434	39
Total assets	106,025	103,905
Current liabilities:
Current portion of Term Note	4,100	4,100
Current portion of operating lease liabilities	1,419	1,371
Accounts payable	7,802	4,281
Accrued wages and benefits	3,090	4,080
Accrued professional fees	573	1,048
Customer deposits and deferred revenue	5,701	6,038
Accrued sales commissions	1,077	863
Domestic and foreign income taxes payable	1,536	2,024
Other current liabilities	1,598	1,267
Total current liabilities	26,896	25,072
Operating lease liabilities, net of current portion	4,539	5,248
Term Note, net of current portion	14,092	16,000
Deferred tax liabilities	574	1,379
Contingent consideration	1,330	930
Other liabilities	474	453
Total liabilities	47,905	49,082
Commitments and Contingencies
Stockholders' equity:
Preferred stock, $0.01 par value; 5,000,000 shares authorized; no shares issued or outstanding	0	0
Common stock, $0.01 par value; 20,000,000 shares authorized; 11,048,708 and 10,910,460 shares issued, respectively	110	109
Additional paid-in capital	30,974	29,931
Retained earnings	27,086	24,393
Accumulated other comprehensive earnings	164	594
Treasury stock, at cost; 34,308 and 33,077 shares, respectively	(214)	(204)
Total stockholders' equity	58,120	54,823
Total liabilities and stockholders' equity	$ 106,025	$ 103,905