Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 21,195	$ 10,277
Trade accounts receivable, net of allowance for doubtful accounts of $213 and $212, respectively	16,536	8,435
Inventories	12,863	7,476
Prepaid expenses and other current assets	1,483	776
Total current assets	52,077	26,964
Property and equipment:
Machinery and equipment	5,733	5,356
Leasehold improvements	3,001	2,636
Gross property and equipment	8,734	7,992
Less: accumulated depreciation	(6,046)	(5,642)
Net property and equipment	2,688	2,350
Right-of-use assets, net	5,919	6,387
Goodwill	21,448	13,738
Intangible assets, net	21,634	12,421
Restricted certificates of deposit	100	140
Other assets	39	30
Total assets	103,905	62,030
Current liabilities:
Current portion of Term Note	4,100	0
Current portion of operating lease liabilities	1,371	1,215
Accounts payable	4,281	2,424
Accrued wages and benefits	4,080	1,944
Accrued professional fees	1,048	776
Customer deposits and deferred revenue	6,038	396
Accrued sales commission	863	472
Domestic and foreign income taxes payable	2,024	825
Other current liabilities	1,267	804
Total current liabilities	25,072	8,856
Operating lease liabilities, net of current portion	5,248	6,050
Term Note, net of current portion	16,000	0
Deferred tax liabilities	1,379	1,922
Contingent consideration	930	0
Other liabilities	453	450
Total liabilities	49,082	17,278
Commitments and Contingencies (Note 14)
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; 10,910,460 and 10,562,200 shares issued, respectively	109	106
Additional paid-in capital	29,931	26,851
Retained earnings	24,393	17,110
Accumulated other comprehensive earnings	594	889
Treasury stock, at cost; 33,077 shares	(204)	(204)
Total stockholders' equity	54,823	44,752
Total liabilities and stockholders' equity	$ 103,905	$ 62,030