EQUITY, Convertible Preferred Stock (Details) - USD ($)		3 Months Ended	6 Months Ended
	Sep. 24, 2008	Mar. 31, 2019	Jun. 30, 2019	Dec. 31, 2018		Jun. 30, 2018	Jun. 20, 2014
Preferred Stock, Number of Shares, Par Value and Other Disclosures [Abstract]
Accrued dividend			$ 250,000			$ 250,000
Series A Convertible Preferred Stock [Member]
Preferred Stock, Number of Shares, Par Value and Other Disclosures [Abstract]
Preferred stock, issued (in shares)			826,000	826,000
Preferred stock, value issued			$ 8,000	$ 8,000	[1]
Percentage of daily accrual	10.00%
Accrued dividend			$ 579,000
Convertible preferred stock, shares issued upon conversion (in shares)			1
Number of consecutive trading days			30 days
Series A Convertible Preferred Stock [Member] | Minimum [Member]
Preferred Stock, Number of Shares, Par Value and Other Disclosures [Abstract]
Redemption percentage of preferred stock			130.00%
Percentage of the closing price of common stock to then current conversion price for mandatory and automatic conversion into shares of common stock			300.00%
Series A Convertible Preferred Stock [Member] | Chief Executive Officer [Member]
Preferred Stock, Number of Shares, Par Value and Other Disclosures [Abstract]
Preferred stock, issued (in shares)	826,000
Share price (in dollars per share)	$ 3.63
Preferred stock, value issued	$ 3,000,000
Series B Convertible Preferred Stock [Member]
Preferred Stock, Number of Shares, Par Value and Other Disclosures [Abstract]
Preferred stock, issued (in shares)			797,000	797,000
Preferred stock, value issued			$ 8,000	$ 8,000	[1]
Percentage of daily accrual			10.00%
Accrued dividend			$ 366,000
Convertible preferred stock, shares issued upon conversion (in shares)			1
Number of consecutive trading days			30 days
Series B Convertible Preferred Stock [Member] | Minimum [Member]
Preferred Stock, Number of Shares, Par Value and Other Disclosures [Abstract]
Percentage of the closing price of common stock to then current conversion price for mandatory and automatic conversion into shares of common stock			300.00%
Series B Convertible Preferred Stock [Member] | Chief Executive Officer [Member]
Preferred Stock, Number of Shares, Par Value and Other Disclosures [Abstract]
Preferred stock, issued (in shares)							797,000
Share price (in dollars per share)							$ 2.51
Percentage of shares of preferred stock convertible into shares of common stock		100.00%
Series B Convertible Preferred Stock [Member] | Chief Executive Officer [Member] | Revolving Credit Facility [Member]
Preferred Stock, Number of Shares, Par Value and Other Disclosures [Abstract]
Long-term debt							$ 2,000,000

[1] Derived from audited financial statements.