SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - COMMERCIAL LOAN INVESTMENTS AND ACCOUNTS RECEIVABLE (Details)		3 Months Ended
	Jul. 16, 2019 USD ($)	Dec. 31, 2015 Transaction	Dec. 31, 2019 USD ($)	Sep. 30, 2019 USD ($)	Dec. 31, 2018 USD ($)
Accounts Receivable
Income Property Tenant Receivables			$ 532,636		$ 627,691
Number of closed land transactions | Transaction		2
Receivable from Golf operations for rounds surcharge			549,000
Allowance for doubtful accounts			14,000		185,000
Cocina 214 Restaurant and Bar
Accounts Receivable
Allowance for doubtful accounts				$ 250,000
Proceeds from rents received	$ 300,000
Other Assets
Accounts Receivable
Income Property Tenant Receivables			533,000		628,000
Accounts receivable related to real estate operations			$ 1,600,000		1,800,000
Assets Held for Sale
Accounts Receivable
Golf Operations Receivables					$ 290,000