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RELATED PARTY TRANSACTIONS (Narrative) (Details)					3 Months Ended		6 Months Ended
RELATED PARTY TRANSACTIONS (Narrative) (Details)	Nov. 01, 2017 USD ($) mo	Oct. 01, 2017 USD ($)	Jun. 23, 2017 USD ($)	Apr. 30, 2015 USD ($) a	Jun. 30, 2018 USD ($)	Jun. 30, 2017 USD ($)	Jun. 30, 2018 USD ($)	Jun. 30, 2017 USD ($)	Dec. 31, 2017 USD ($)	Feb. 29, 2016 USD ($)	Sep. 13, 2013 USD ($)
Related Party Transaction [Line Items]
Notes Payable, Related Parties			$ 129,000.0
Amount paid as down payment under the agreement							$ 104,000	$ 75,000
Additional fees paid for individual meeting attendance		$ 0
Gain on the sale of equipment					$ 0	$ 0	$ 0	$ 28,000
Director [Member] \| Restricted Stock Units (RSUs) [Member]
Related Party Transaction [Line Items]
Vesting period		1 year
Director [Member] \| Maximum [Member] \| Restricted Stock Units (RSUs) [Member]
Related Party Transaction [Line Items]
Amount of share granted		$ 25,000.0
Non-employee directors [Member]
Related Party Transaction [Line Items]
Revised amount of annual retainer (per Board member)		50,000.0
Chairman of other standing committees [Member]
Related Party Transaction [Line Items]
Additional amount of annual retainer		5,000.0
Chairman of audit committee [Member]
Related Party Transaction [Line Items]
Additional amount of annual retainer		$ 10,000.0
Former Chairman and Chief Executive Officer [Member]
Related Party Transaction [Line Items]
Percentage shares owned (in excess)					20.00%		20.00%
Affiliated Entity, LK Property Investments, LLC [Member]
Related Party Transaction [Line Items]
Monthly rental payments				$ 3,000.0
Termination notice period				90 days
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					$ 1,568,000		$ 1,568,000		$ 1,600,000	$ 1,500,000
Due from Related Parties										32,000.0
Due to Related Parties										500,000.0
K and R, LLC [Member] \| Affiliated Entity [Member] \| Louisville, Kentucky [Member]
Related Party Transaction [Line Items]
Payable to related parties											$ 500,000.0
K and R, LLC [Member] \| Handler Agreement
Related Party Transaction [Line Items]
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]
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
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