GOING CONCERN, LIQUIDITY AND CAPITAL RESOURCES - Narrative (Details)		1 Months Ended					3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 10, 2018	Nov. 30, 2018 USD ($)	Nov. 30, 2017	Sep. 30, 2017 USD ($)	Jul. 31, 2017 USD ($)	Aug. 31, 2016 USD ($)	Sep. 30, 2018 USD ($)	Sep. 30, 2017 USD ($)	Sep. 30, 2018 USD ($)	Sep. 30, 2017 USD ($)	Dec. 31, 2018	Dec. 31, 2017 USD ($)	Dec. 17, 2018 USD ($)	Jun. 30, 2018 USD ($)	Jan. 31, 2018 USD ($)	Jun. 30, 2017 USD ($)	Oct. 04, 2016 USD ($)
Line of Credit Facility [Line Items]
Accumulated deficit							$ 91,390,000		$ 91,390,000			$ 88,852,000
Principal outstanding							10,800,000		10,800,000
Notes payable							6,023,000		6,023,000			5,969,000
Total long-term debt							4,797,000		4,797,000			$ 4,129,000
Net annual post tax loss							1,334,000	$ 1,917,000	2,538,000	$ 7,352,000
Annual review delivery period												105 days
Paid-in-kind Interest (“PIK Interest”)						$ 11,000,000
Debt convension of converted amount				$ 13,300,000
KBS Loan Agreement
Line of Credit Facility [Line Items]
Notes payable, net							3,800,000		3,800,000
Line of credit with maximum borrowing availability							4,000,000		4,000,000
Additional monthly cash available after final payment for acquisition					$ 100,000
EBGL Loan Agreement
Line of Credit Facility [Line Items]
Line of credit with maximum borrowing availability																$ 3,000,000.0	$ 3,000,000.0
Notes payable							2,200,000		2,200,000
Minimum debt service coverage ratio												100.00%
Audited financial statements delivery period												120 days
KBS Builders, Inc.
Line of Credit Facility [Line Items]
Minimum fixed leverage ratio												700.00%
Net annual post tax loss												$ 1,900,000
Lumber surcharge percentage			6.00%
Gerber Finance Inc
Line of Credit Facility [Line Items]
Line of credit with maximum borrowing availability							4,000,000.0		4,000,000.0
Gerber Finance Inc | EBGL Acquisition
Line of Credit Facility [Line Items]
Principal outstanding							3,000,000		3,000,000
EBGL | Unsecured Promissory Note
Line of Credit Facility [Line Items]
Deferred payments payable							200,000		200,000
Notes payable monthly installment									100,000
Unsecured Promissory Note | Promissory Note
Line of Credit Facility [Line Items]
Debt principal amount														$ 900,000.0	$ 500,000.0
LSV Co-Invest I Promissory Notes | Promissory Note
Line of Credit Facility [Line Items]
Total long-term debt							1,400,000		1,400,000
Premier Banks | Premier Loan Agreement
Line of Credit Facility [Line Items]
Line of credit with maximum borrowing availability							$ 3,000,000.0		$ 3,000,000.0
Subsequent Event | EBGL Loan Agreement
Line of Credit Facility [Line Items]
Minimum debt service coverage ratio											100.00%
Audited financial statements delivery period											120 days
Additional monthly cash available after final payment for acquisition		$ 100,000
Subsequent Event | LSV Co-Invest I Promissory Notes | Promissory Note
Line of Credit Facility [Line Items]
Total long-term debt													$ 1,400,000
Subsequent Event | Lone Star Value Management, Unsecured Promissory Note, Issued December 17, 2018 | Promissory Note
Line of Credit Facility [Line Items]
Debt principal amount													$ 300,000
ATRM Holdings, Inc. | Digirad Corporation
Line of Credit Facility [Line Items]
Consideration issue in business acquisition, number of shares issued per share of common stock owned	0.4
Series B Cumulative Preferred Stock
Line of Credit Facility [Line Items]
Preferred stock dividend rate				10.00%