Condensed Consolidated Balance Sheets (Unaudited) - USD ($)	Mar. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 53,811,000	$ 56,595,000
Accounts receivable, net	6,103,000	5,673,000
Inventory	9,778,000	10,380,000
Current portion of notes receivable	6,739,000	6,310,000
Prepaid expenses and other current assets	1,869,000	3,466,000
Total current assets	78,300,000	82,424,000
Property, plant and equipment, net	16,247,000	17,674,000
Investment in real estate, net	56,365,000	56,374,000
Other investments	10,466,000	11,001,000
Investment, equity method	1,193,000	1,080,000
Marketable securities	18,435,000	14,172,000
Notes receivable	6,240,000	5,878,000
Other assets	557,000	489,000
Right-of-use assets	1,181,000	498,000
Goodwill	56,606,000	56,606,000
Other intangible assets, net	36,269,000	38,630,000
Total assets	281,859,000	284,826,000
Current liabilities:
Accounts payable	2,452,000	1,920,000
Accrued expenses and deferred revenue	16,515,000	21,180,000
Other current liabilities	402,000	402,000
Current portion of lease liability	540,000	393,000
Current portion of long-term debt, net	6,835,000	3,916,000
Total current liabilities	26,744,000	27,811,000
Long-term debt, net	59,398,000	55,711,000
Long term lease liability	782,000	120,000
Other long-term liabilities	880,000	880,000
Commitments and contingencies (Note 9)
Stockholders’ equity
Preferred stock, $.02 par value; 47,000 shares authorized, shares issued and outstanding (47,000 on December 31, 2021); Liquidation value $1,000 per share, $46,868,000 aggregate December 31, 2021).
Common stock, $.02 par value; 200,000,000 shares authorized, 84,626,847 shares issued and outstanding (79,745,886 on December 31, 2021)	1,692,000	1,594,000
Additional paid-in capital	296,450,000	294,685,000
Non-controlling interest in subsidiaries	36,345,000	36,409,000
Accumulated deficit	(140,432,000)	(132,384,000)
Total stockholders’ equity	194,055,000	200,304,000
Total liabilities and stockholders’ equity	$ 281,859,000	$ 284,826,000