5. ADDITIONAL PAID-IN CAPITAL (Details 1) - $ / shares	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Number of Stock Options
Outstanding, beginning of period	3,694,900	4,578,700
Granted	150,000	0
Cancelled/expired	(100,000)	(1,291,300)
Outstanding, end of period	3,744,900	3,287,400
Exercisable, end of period	3,744,900	3,023,200
Weighted Average Exercise Price
Outstanding, beginning of period	$ .94	$ 3.99
Granted	.15	0.00
Cancelled/expired	.04	7.89
Outstanding, end of period	.93	2.70
Exercisable, end of period	.93	2.89
Weighted-average fair value per share of options granted during period	$ .15