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Face (par) amount of the original debt instrument that was repurchased.

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RELATED PARTY TRANSACTIONS (Narrative) (Details)					3 Months Ended		60 Months Ended
RELATED PARTY TRANSACTIONS (Narrative) (Details)	Apr. 14, 2019 USD ($)	Nov. 01, 2017 USD ($) mo	Jun. 23, 2017 USD ($) item	Apr. 30, 2015 USD ($) a	Mar. 31, 2019 USD ($)	Mar. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Mar. 01, 2019 USD ($)	Feb. 28, 2019	Dec. 31, 2018 USD ($)	Feb. 29, 2016 USD ($)
Related Party Transaction [Line Items]
Notes Payable, Related Parties			$ 129,000.0
Amount paid as down payment under the agreement					$ 179,000	$ 104,000
Former Chairman and Chief Executive Officer [Member]
Related Party Transaction [Line Items]
Percentage shares owned (in excess)					20.00%
Affiliated Entity, LK Property Investments, LLC [Member]
Related Party Transaction [Line Items]
Termination notice period				90 days
Monthly rental payments				$ 3,000.0
Reimbursement percentage of property taxes				40.00%
ISA Real Estate LLC \| Affiliated Entity, LK Property Investments, LLC [Member]
Related Party Transaction [Line Items]
Number of acres \| a				4.4
K and R, LLC [Member] \| Affiliated Entity [Member]
Related Party Transaction [Line Items]
Notes Payable, Related Parties					$ 1,020,000					$ 1,536,000	$ 1,500,000
Due from Related Parties											32,000.0
Due to Related Parties											500,000.0
K and R, LLC [Member] \| Handler Agreement
Related Party Transaction [Line Items]
Number of agreements \| item			2
Amount of assets purchased under the agreement			$ 90,000.0
Amount paid as down payment under the agreement			$ 9,000.0
Term period of promissory note			24 months
Face principal amount			$ 81,000.0
Amount payable in equal monthly installments under the agreement			$ 3,400
Interest rate Upon a default of promissory note (as a percentage)			1.00%
K and R, LLC [Member] \| Crane Agreement
Related Party Transaction [Line Items]
Amount of assets purchased under the agreement			$ 60,000.0
Amount paid as down payment under the agreement			$ 12,000.0
Term period of promissory note			24 months
Face principal amount			$ 48,000.0
Amount payable in equal monthly installments under the agreement			$ 2,000.0
Interest rate Upon a default of promissory note (as a percentage)			1.00%
Grade Lane 7100, LLC [Member] \| K and R, LLC [Member]
Related Party Transaction [Line Items]
Borrowings,net of repayments							$ 1,500,000
Face principal amount		$ 345,800
Payment of initial amount at the signing of the agreement		$ 100,000.0
Number of consecutive monthly payments \| mo		6
Amount payable in equal monthly installments under the agreement		$ 41,000.0
Subsequent Event [Member] \| Affiliated Entity, LK Property Investments, LLC [Member]
Related Party Transaction [Line Items]
Monthly rental payments	$ 7,500
First amendments to Kletter Notes [Member]
Related Party Transaction [Line Items]
One-time prepayment of principal amount								$ 500,000.0
Debt Instrument, Interest Rate, Stated Percentage								7.00%	5.00%
Kletter Notes [Member] \| Unsecured Debt [Member] \| K and R, LLC [Member] \| Affiliated Entity [Member]
Related Party Transaction [Line Items]
Notes Payable, Related Parties											$ 620,300
Debt Instrument, Interest Rate, Stated Percentage											5.00%
Kletter Notes [Member] \| Unsecured Debt [Member] \| Grade Lane 7100, LLC [Member] \| Affiliated Entity [Member]
Related Party Transaction [Line Items]
Notes Payable, Related Parties											$ 883,800
Kletter Notes [Member] \| Unsecured Debt [Member] \| Kletter Estate [Member] \| Affiliated Entity [Member]
Related Party Transaction [Line Items]
Notes Payable, Related Parties											$ 1,500,000