4. STOCK-BASED COMPENSATION (Details)	3 Months Ended
	Sep. 30, 2016 $ / shares shares
Stock Options [Member]
Range of exercise prices	$0.27-$7.75
Number of shares outstanding | shares	1,136,000
Weighted average contractual life	7 years 8 months 27 days
Weighted average exercise price | $ / shares	$ 0.79
Exercisable number of shares | shares	815,000
Exercisable weighted average exercise price | $ / shares	$ 0.85
Option 1 [Member]
Range of exercise prices	.27
Number of shares outstanding | shares	40,000
Weighted average contractual life	4 years 9 months 15 days
Weighted average exercise price | $ / shares	$ .27
Exercisable number of shares | shares	40,000
Exercisable weighted average exercise price | $ / shares	$ 0.27
Option 2 [Member]
Range of exercise prices	.48
Number of shares outstanding | shares	60,000
Weighted average contractual life	9 years 6 months
Weighted average exercise price | $ / shares	$ .48
Exercisable number of shares | shares	20,000
Exercisable weighted average exercise price | $ / shares	$ 0.48
Option 3 [Member]
Range of exercise prices	.50
Number of shares outstanding | shares	100,000
Weighted average contractual life	8 years 8 months 23 days
Weighted average exercise price | $ / shares	$ .50
Exercisable number of shares | shares	20,000
Exercisable weighted average exercise price | $ / shares	$ 0.50
Option 4 [Member]
Range of exercise prices	.55
Number of shares outstanding | shares	37,000
Weighted average contractual life	5 years 4 months 10 days
Weighted average exercise price | $ / shares	$ .55
Exercisable number of shares | shares	37,000
Exercisable weighted average exercise price | $ / shares	$ 0.55
Option 5 [Member]
Range of exercise prices	.73
Number of shares outstanding | shares	603,000
Weighted average contractual life	8 years 7 months 17 days
Weighted average exercise price | $ / shares	$ .73
Exercisable number of shares | shares	402,000
Exercisable weighted average exercise price | $ / shares	$ 0.73
Option 6 [Member]
Range of exercise prices	.85
Number of shares outstanding | shares	9,000
Weighted average contractual life	6 years 3 months 4 days
Weighted average exercise price | $ / shares	$ .85
Exercisable number of shares | shares	9,000
Exercisable weighted average exercise price | $ / shares	$ 0.85
Option 7 [Member]
Range of exercise prices	.90
Number of shares outstanding | shares	9,000
Weighted average contractual life	7 years 3 months 4 days
Weighted average exercise price | $ / shares	$ .90
Exercisable number of shares | shares	9,000
Exercisable weighted average exercise price | $ / shares	$ 0.90
Option 8 [Member]
Range of exercise prices	.95
Number of shares outstanding | shares	65,000
Weighted average contractual life	7 years 9 months 11 days
Weighted average exercise price | $ / shares	$ .95
Exercisable number of shares | shares	65,000
Exercisable weighted average exercise price | $ / shares	$ 0.95
Option 9 [Member]
Range of exercise prices	1.20
Number of shares outstanding | shares	207,800
Weighted average contractual life	5 years 5 months 1 day
Weighted average exercise price | $ / shares	$ 1.20
Exercisable number of shares | shares	207,800
Exercisable weighted average exercise price | $ / shares	$ 1.20
Option 10 [Member]
Range of exercise prices	1.25
Number of shares outstanding | shares	1,200
Weighted average contractual life	2 years 1 month 24 days
Weighted average exercise price | $ / shares	$ 1.25
Exercisable number of shares | shares	1,200
Exercisable weighted average exercise price | $ / shares	$ 1.25
Option 11 [Member]
Range of exercise prices	1.35
Number of shares outstanding | shares	1,200
Weighted average contractual life	3 years 1 month 24 days
Weighted average exercise price | $ / shares	$ 1.35
Exercisable number of shares | shares	1,200
Exercisable weighted average exercise price | $ / shares	$ 1.35
Option 12 [Member]
Range of exercise prices	6.25
Number of shares outstanding | shares	1,600
Weighted average contractual life	1 month 28 days
Weighted average exercise price | $ / shares	$ 6.25
Exercisable number of shares | shares	1,600
Exercisable weighted average exercise price | $ / shares	$ 6.25
Option 13 [Member]
Range of exercise prices	7.75
Number of shares outstanding | shares	1,200
Weighted average contractual life	1 year 1 month 28 days
Weighted average exercise price | $ / shares	$ 7.75
Exercisable number of shares | shares	1,200
Exercisable weighted average exercise price | $ / shares	$ 7.75