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11. COMMON STOCK (Details Narrative) - USD ($)	4 Months Ended		6 Months Ended
	May 15, 2019	Apr. 18, 2019	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018
Proceeds from sale of units			$ 13,201,000	$ 0
Payment of offering costs			$ 0	12,000
Reverse stock split			In April 2019, the Company effected a one-for-fifty reverse stock split
Common stock authorized			9,800,000		9,800,000
Proceeds from fractional shares			$ 171	0
Share-based compensation expense			66,332	$ 177,434
Underwriting Agreement [Member]
Unit description		One unit is one share of the Company's common stock and a warrant to purchase one share of Common Stock.
Units sold		2,000,000
Proceeds from sale of units		$ 12,003,000
Payment of offering costs		$ 300,000	$ 1,371,000
Warrants issued, shares		300,000
Proceeds from issuance of warrants		$ 3,000
Underwriting Agreement [Member] | Over-Allotment Option [Member]
Units sold	200,000
Proceeds from sale of units	$ 1,198,000
Warrants issued, shares	110,000
Two Directors [Member] | Restricted Stock [Member]
Stock vested, shares			5,000
Share-based compensation expense			$ 37,500
Two Directors [Member] | Common Stock Grant [Member]
Unreleased shares of common stock			51,250
Unrecognized restricted stock grant expense			$ 450,000
A Director [Member] | Restricted Stock [Member]
Stock vested, shares			2,500
Share-based compensation expense			$ 15,000

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