v3.22.2.2
Condensed Balance Sheets (Parenthetical) - USD ($)
Jun. 30, 2022
Dec. 31, 2021
Condensed Balance Sheets    
Lease income receivable, reserve $ 319,000 $ 283,000
Accounts receivable, reserve 229,935 100,329
Other receivables, reserve 305,000 305,000
Equipment, accumulated amortization $ 11,000 $ 12,000