CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 13,622	$ 23,385
Accounts receivable	2,732	1,496
Current portion of notes receivable, net	2,254	1,338
Inventory – equipment	3,220	235
Other current assets	1,456	498
Total current assets	23,284	26,952
Non-current portion of notes receivable, net	1,784	748
Equity method investments	4,683	2,402
Right-of-use asset	2,694	963
Property, plant and equipment, net	1,471	130
Intangible assets, net	4,565	3,123
Goodwill	7,446	5,585
Deferred tax assets	4,488	4,402
Other assets	49	250
Total assets	50,464	44,555
Current liabilities:
Accounts payable and accrued liabilities	11,244	13,609
Current portion of third party debt	2,479
Current portion of lease liabilities	501	380
Total current liabilities	14,224	13,989
Non-current portion of third party debt	1,352
Non-current portion of lease liabilities	2,249	623
Total liabilities	17,825	14,612
Commitments and contingencies (Note 13)
Stockholders’ equity:
Preferred stock, $10.00 par value, authorized 10,000,000 shares; issued and outstanding 565 Series N shares at December 31, 2021 and 568 shares at December 31, 2020	6	6
Common stock, $0.01 par value, authorized 300,000,000 shares; issued and outstanding 36,574,702 shares at December 31, 2021 and 35,281,183 shares at December 31, 2020	366	353
Additional paid-in capital	293,030	293,400
Accumulated deficit	(260,763)	(263,816)
Accumulated other comprehensive loss	0	0
Total stockholders’ equity	32,639	29,943
Total liabilities and stockholders’ equity	$ 50,464	$ 44,555