CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($)	3 Months Ended		9 Months Ended
	Feb. 28, 2017	Feb. 29, 2016	Feb. 28, 2017	Feb. 29, 2016
Income Statement [Abstract]
Sales	$ 263,800	$ 749,083	$ 1,077,963	$ 1,671,138
Cost of sales	51,360	372,021	690,125	907,010
Gross Profit	212,440	377,062	387,838	764,128
Operating Expenses:
Selling and general and administrative	305,254	282,292	1,211,642	1,592,547
Research and development	14,462	26,510	64,732	310,717
Total Operating Expenses	319,716	308,802	1,276,374	1,903,264
Income (loss) From Operations	(107,276)	68,260	(888,536)	(1,139,136)
Other Income (Expenses):
Interest expense	(25,474)	(7,013)	(46,197)	(22,471)
Gain (Loss) on settlement of liability	(138,228)		(120,580)
Loss on translation adjustments				(1,131)
Total Other Expense	(163,702)	(7,013)	(166,777)	(23,602)
Loss Before Provision for Income Taxes	(270,978)	61,247	(1,055,313)	(1,162,738)
Provision for income taxes	(572)		(12,363)
Net Income (Loss)	$ (271,550)	$ 61,247	$ (1,067,675)	$ (1,162,738)
Income (Loss) per Common Share - Basic and Diluted (in dollars per share)	$ (0.02)	$ 0.01	$ (0.08)	$ (0.10)
Weighted Average Shares Outstanding - Basic and Diluted (in shares)	13,998,191	12,106,225	12,034,512	11,996,792