5. ADDITIONAL PAID-IN CAPITAL (Details 1) - $ / shares	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Number of Stock Options
Outstanding, beginning of period	4,578,700	4,345,500
Granted	0	999,000
Cancelled/expired	(1,938,300)	(752,000)
Exercised	0	(12,600)
Outstanding, end of period	260,400	4,579,900
Exercisable, end of period	2,440,360	3,702,500
Weighted Average Exercise Price
Outstanding, beginning of period	$ 3.99	$ 5.16
Granted	0	0.45
Cancelled/expired	6.70	3.17
Exercised	0	0.32
Outstanding, end of period	2.25	4.09
Exercisable, end of period	2.39	4.94
Weighted-average fair value per share of options granted during period	$ 0	$ 0.24