Summary of Significant Accounting Policies (Details) - USD ($)	3 Months Ended
	Aug. 31, 2015	Aug. 31, 2014	May. 31, 2015
Summary of Significant Accounting Policies (Details) [Line Items]
Inventory Valuation Reserves	$ 25,000		$ 25,000
Depreciation, Depletion and Amortization	40,151	$ 45,240
Amortization of Intangible Assets	$ 18,723	18,180
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period (in Shares)	17,773
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price (in Dollars per share)	$ 0.42
Proceeds from Stock Options Exercised	$ 7,549	$ 3,173
Deferred Tax Assets, Valuation Allowance	$ 0		$ 0
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in Shares)	1,109,852	852,250
Investment In Polish Distributor [Member]
Summary of Significant Accounting Policies (Details) [Line Items]
Equity Method Investment, Ownership Percentage	6.00%
Employee Stock Option [Member]
Summary of Significant Accounting Policies (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period (in Shares)	17,773
Proceeds from Stock Options Exercised	$ 7,549
Minimum [Member]
Summary of Significant Accounting Policies (Details) [Line Items]
Property, Plant and Equipment, Useful Life	5 years
Minimum [Member] | Employee Stock Option [Member]
Summary of Significant Accounting Policies (Details) [Line Items]
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price (in Dollars per share)	$ 0.38
Maximum [Member]
Summary of Significant Accounting Policies (Details) [Line Items]
Property, Plant and Equipment, Useful Life	10 years
Maximum [Member] | Employee Stock Option [Member]
Summary of Significant Accounting Policies (Details) [Line Items]
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price (in Dollars per share)	$ 0.71
Maximum [Member] | Marketing-Related Intangible Assets [Member]
Summary of Significant Accounting Policies (Details) [Line Items]
Finite-Lived Intangible Asset, Useful Life	18 years
Maximum [Member] | Purchased Technology Rights [Member]
Summary of Significant Accounting Policies (Details) [Line Items]
Finite-Lived Intangible Asset, Useful Life	10 years
Maximum [Member] | Patents [Member]
Summary of Significant Accounting Policies (Details) [Line Items]
Finite-Lived Intangible Asset, Useful Life	17 years