BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Common stock equivalents (Details) - shares	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Shares used in computing fully diluted net income (loss) per share	198,306,395	198,756,395	198,306,395	198,756,395
Common Stock
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Shares used in computing fully diluted net income (loss) per share	41,673,655	41,543,655	41,673,655	41,543,655
Exercisable options issued to purchase common stock
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Shares used in computing fully diluted net income (loss) per share	0	450,000	0	450,000
Conversion of Series A convertible preferred stock issued and outstanding into common stock
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Shares used in computing fully diluted net income (loss) per share	25,405,000	25,535,000	25,405,000	25,535,000
Conversion of Series B convertible preferred stock issued and outstanding into common stock
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Shares used in computing fully diluted net income (loss) per share	106,144,240	106,144,240	106,144,240	106,144,240
Conversion of Series C convertible preferred stock issued and outstanding into common stock
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Shares used in computing fully diluted net income (loss) per share	25,083,500	25,083,500	25,083,500	25,083,500