Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Current assets
Cash and cash equivalents	$ 23,959	$ 8,408
Restricted cash		250
Marketable debt securities, available for sale	3,539	8,779
Marketable equity securities, at fair value		76
Accounts receivable, net	36,670	37,708
Inventory, net	4,509	4,600
Prepaid expenses and other current assets	1,598	1,496
Total current assets	70,275	61,317
Property, plant and equipment, net	6,252	5,947
Prepaid expenses, net of current portion	167	460
Operating lease right-of-use asset, net	4,234	4,402
Intangible assets, net	9,434	10,852
Goodwill	5,709	5,709
Deferred tax asset	594
Other assets	1,282	608
TOTAL ASSETS	97,947	89,295
Current liabilities
Accounts payable	4,445	7,026
Accrued diagnostic services	760	1,890
Accrued advertising and other allowances	155	104
Operating lease liabilities	628	663
Deferred revenue	2,430	2,034
Income tax payable	6,787	1,312
Other current liabilities	1,517	2,495
Total current liabilities	16,722	15,524
Non-current liabilities:
Deferred revenue, net of current portion	983	905
Note payable		44
Unsecured convertible promissory notes, net	7,998	9,996
Operating lease liabilities, net of current portion	4,086	4,198
Total non-current liabilities	13,067	15,143
Total liabilities	29,789	30,667
COMMITMENTS AND CONTINGENCIES
Stockholders’ equity
Preferred stock authorized 1,000,000, $0.0005 par value, no shares issued and outstanding
Common stock authorized 50,000,000, $0.0005 par value, 15,722,827 and 15,485,900 shares outstanding, respectively	16	16
Additional paid-in capital	106,162	104,552
Retained earnings	13,231	2,642
Treasury stock, at cost, 17,352,419 and 16,818,846 shares, respectively	(51,015)	(48,407)
Accumulated other comprehensive loss	(236)	(175)
Total stockholders’ equity	68,158	58,628
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	$ 97,947	$ 89,295