STOCKHOLDERS' EQUITY - Summary of status of company's outstanding series A preferred stock warrants (Details 1) - Series A Preferred Stock Warrants	6 Months Ended
	Jun. 30, 2019 $ / shares shares
Preferred Stock warrants
Outstanding and exercisable at beginning balance | shares	25,000
Granted | shares	0
Exercised | shares	0
Expired | shares	0
Outstanding and exercisable at ending balance | shares	25,000
Weighted Average Exercise Price
Outstanding and exercisable at beginning balance | $ / shares	$ 4.00
Granted | $ / shares	0
Exercised | $ / shares	0
Expired | $ / shares	0
Outstanding and exercisable at ending balance | $ / shares	$ 4.00