CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 13,234	$ 23,385
Accounts receivable	3,388	1,496
Current portion of notes receivable, net	1,142	1,338
Inventory – equipment	1,383	235
Other current assets	675	498
Total current assets	19,822	26,952
Non-current portion of notes receivable, net	1,413	748
Equity method investments	3,327	2,402
Right-of-use assets	2,818	963
Property and equipment, net	1,477	130
Intangible assets, net	4,265	3,123
Goodwill	7,262	5,585
Deferred tax assets	4,807	4,402
Other assets	161	250
Total assets	45,352	44,555
Current liabilities:
Accounts payable and accrued liabilities	8,902	13,609
Current portion of third party debt	531
Current portion of lease liabilities	498	380
Total current liabilities	9,931	13,989
Non-current portion of third party debt	1,469
Non-current portion of lease liabilities	2,368	623
Total liabilities	13,768	14,612
Stockholders’ equity:
Preferred stock, $10.00 par value, authorized 10,000,000 shares; issued and outstanding 565 shares of Series N as of September 30, 2021 and 568 as of December 31, 2020	6	6
Common stock, $0.01 par value, authorized 300,000,000 shares; issued and outstanding 36,574,702 shares as of September 30, 2021 and 35,281,183 as of December 31, 2020	366	353
Additional paid-in capital	292,935	293,400
Accumulated deficit	(261,723)	(263,816)
Total stockholders’ equity	31,584	29,943
Total liabilities and stockholders’ equity	$ 45,352	$ 44,555