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OTHER ASSETS (Detail) - USD ($)
Mar. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Other Assets [Line Items]      
Raw land $ 27,242,954 $ 27,024,601 $ 26,816,105
Right-of-use assets, net   661,000  
Total other assets 3,999,350 5,709,586 7,646,207
Other Assets      
Other Assets [Line Items]      
Deferred rent receivable 2,019,632 2,680,886 2,883,581
Prepaid expenses, deposits and other 488,280 601,897 407,106
Accounts receivable, net 860,388 1,336,122 2,845,314
Raw land   0 900,000
Right-of-use assets, net 121,969 561,375 0
Other intangibles, net 192,707 212,932 293,832
Notes receivable $ 316,374 $ 316,374 $ 316,374