Income Taxes (Details 2) - USD ($)	Jun. 30, 2016	Jun. 30, 2015
Schedule Of Income Tax Disclosure [Line Items]
Deferred Tax Assets, Gross, Current	$ 431,645	$ 392,469
Deferred Tax Liabilities, Gross, Current	1,150,333	1,160,376
Deferred Tax Assets, Gross, Noncurrent	4,161,238	3,874,191
Deferred Tax Liabilities, Net, Noncurrent	916,859	565,407
Total Deferred Tax Assets	2,780,157	2,847,748
Total Deferred Tax Liabilities	2,067,192	1,725,783
Deferred Tax Liabilities Current [Member]
Schedule Of Income Tax Disclosure [Line Items]
Bad debts	0	0
Prepaid expenses	16,173	20,093
Accrued liabilities	0	0
Inventory	1,134,160	1,140,283
Deferred Tax Liabilities Non Current [Member]
Schedule Of Income Tax Disclosure [Line Items]
Depreciation	841,040	470,768
Net operating loss and credit carryforwards	0	0
Intangible assets	0	0
Accrued pension liability	0	0
Stock options	0	0
Other	75,819	94,639
Valuation Allowance	0	0
Deferred Tax Asset Current [Member]
Schedule Of Income Tax Disclosure [Line Items]
Bad debts	40,000	40,000
Prepaid expenses	0	0
Accrued liabilities	391,645	352,469
Inventory	0	0
Deferred Tax Asset Non Current [Member]
Schedule Of Income Tax Disclosure [Line Items]
Depreciation	0	0
Net operating loss and credit carryforwards	4,062,817	3,522,219
Intangible assets	3,635	2,471
Accrued pension liability	26,098	27,656
Stock options	68,688	321,845
Other	0	0
Valuation Allowance	$ (1,812,726)	$ (1,418,912)