Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Current assets:
Cash	$ 1,701	$ 1,725
Accounts receivable, net	242	224
Note receivable, net	0	0
Inventory, net	831	449
Prepaid expenses and other assets	516	1,452
Total current assets	3,290	3,850
Property and equipment, net	1,947	2,074
Finance lease right-of-use assets, net	46	52
Operating lease right-of-use assets, net	301	343
Note receivable	200	0
Investment	509	509
Goodwill	13,868	13,868
Intellectual property and patents, net	11,869	1,711
In-process research and development, net	3,867	14,288
Customer relationships, Tradename, and Non-compete, net	8,452	9,606
Other assets	83	58
Total assets	44,432	46,359
Current liabilities:
Accounts payable	2,015	2,135
Accrued expenses	3,708	1,299
Finance lease payable	12	12
Operating lease payable	100	93
Loan payable	46	265
Paycheck protection program loan	0	605
Related party payable	1,240	1,040
Notes payable	1,550	800
Convertible promissory notes	550	550
Fair value convertible promissory notes, net	7,221	6,674
Contract liabilities	597	994
Total current liabilities	17,039	14,467
License fees	0	80
Finance lease payable	34	40
Operating lease payable	227	278
Fair value convertible promissory notes, net	4,289	7,010
Contingent share considerations	1,650	3,205
Total liabilities	23,239	25,080
Stockholders' equity:
Common stock: $0.001 par value; authorized 150,000,000 shares; 62,877,959 and 59,476,268 shares issued and outstanding as of June 30, 2021 and December 31, 2020, respectively	63	60
Additional paid-in capital	106,272	101,807
Common stock issuable	603	665
Accumulated deficit	(85,745)	(81,253)
Total stockholders' equity	21,193	21,279
Total liabilities and stockholders' equity	$ 44,432	$ 46,359