RELATED PARTY TRANSACTIONS (Narrative) (Details)					3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 23, 2017 USD ($)	Aug. 05, 2015 USD ($) shares	Apr. 30, 2015 USD ($) a	Dec. 02, 2013 USD ($)	Jun. 30, 2017 USD ($) installment	Jun. 30, 2016 USD ($)	Jun. 30, 2017 USD ($) installment	Jun. 30, 2016 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Feb. 29, 2016 USD ($)	Dec. 31, 2014 USD ($)	Sep. 13, 2013 USD ($)
Related Party Transaction [Line Items]
Amount paid as down payment under the agreement							$ 75,000	$ 0
Gain on the sale of equipment					$ 0	$ 0	$ 28,000	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%
Algar, Inc. [Member]
Related Party Transaction [Line Items]
Percent of year-over-year increase in pre-tax income for bonus			10.00%
Accrued bonuses included in payable to related party												$ 428,000.0
Percentage payable of year-over-year decrease in loss before income taxes for bonus					10.00%		10.00%
Algar, Inc. [Member] | President [Member] | Maximum [Member]
Related Party Transaction [Line Items]
President's salary, monthly				$ 20,800
President's salary, annually				$ 250,000.0
ISA Real Estate LLC | Affiliated Entity, LK Property Investments, LLC [Member]
Related Party Transaction [Line Items]
Number of acres | a			4.4
Proceeds from sale of real estate			$ 1,000,000.0
Gain on the sale of equipment			$ 102,000.0
K and R, LLC [Member] | Affiliated Entity [Member]
Related Party Transaction [Line Items]
Notes Payable, Related Parties					$ 1,633,000		$ 1,633,000		$ 1,504,000
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
Amount paid as down payment under the agreement	$ 9,000
Term period of promissory note	24 months
Face principal amount	$ 81,000
Amount payable in equal monthly installments under the agreement	$ 3,375
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
Amount paid as down payment under the agreement	$ 12,000
Term period of promissory note	24 months
Face principal amount	$ 48,000
Amount payable in equal monthly installments under the agreement	$ 2,000
Interest rate Upon a default of promissory note (as a percentage)	1.00%
Algar, Inc. [Member]
Related Party Transaction [Line Items]
Related Party Transaction, Bonus Expense							180,000.0
Amount payable under management termination agreement					20,880		20,880
Amount payable in equal monthly installments under management termination agreement					$ 50,000		$ 50,000
Number of equal monthly installments to be paid on management termination agreement | installment					3		3
Algar, Inc. [Member] | Affiliated Entity [Member]
Related Party Transaction [Line Items]
Accrued bonuses included in payable to related party		$ 378,000.0
Accrued bonus compensation paid									$ 189,000.0
Related Party Transaction, Bonus Expense							$ 0	$ 168,000
Algar, Inc. [Member] | Affiliated Entity [Member] | Private Placement [Member]
Related Party Transaction [Line Items]
Shares issued (in shares) | shares		50,700
Common Stock		$ 189,000.0
Algar, Inc. [Member] | Affiliated Entity [Member] | Real Estate Sale [Member]
Related Party Transaction [Line Items]
Increase (decrease) in accounts payable, related parties										$ 50,000.0
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