Condensed Consolidated Statements of Cash Flows (USD $)	6 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Operating activities:
Net earnings	$ 948,373us-gaap_NetIncomeLoss	$ 903,077us-gaap_NetIncomeLoss
Adjustments to reconcile net earnings to net cash provided (used) by operating activities:
Depreciation and amortization	29,578	28,409
Bad debt expense	5,255us-gaap_ProvisionForDoubtfulAccounts	4,067us-gaap_ProvisionForDoubtfulAccounts
Inventory reserve	3,409	572
Provision for deferred income taxes	(15,414)us-gaap_DeferredIncomeTaxExpenseBenefit	179us-gaap_DeferredIncomeTaxExpenseBenefit
(Increase) decrease in operating assets
Accounts and trade notes receivables	201,891	1,145,279
Inventories	782,643us-gaap_IncreaseDecreaseInInventories	(458,986)us-gaap_IncreaseDecreaseInInventories
Refundable income taxes	39,993us-gaap_IncreaseDecreaseInPrepaidTaxes
Lease and mortgage receivables	6,420	25,835
Other current assets	279,953	272,792
Increase (decrease) in operating liabilities:
Accounts payable and accrued expenses	(3,647,439)	1,154,302
Accrued employee expenses	(266,929)	(671,097)
Income taxes payable		(159,960)
Deferred income		(16,782)
Customer deposits	(752,268)	1,125,606
Net cash (used) provided by operating activities	(2,384,535)	3,353,293
Investing activities:
Capital expenditures	(52,500)	(7,887)
Net cash used by investing activities	(52,500)	(7,887)
Financing activities:
Dividends paid	(1,406,746)us-gaap_PaymentsOfDividends	(2,813,493)us-gaap_PaymentsOfDividends
Net cash used by financing activities	(1,406,746)	(2,813,493)
Net (decrease) increase in cash and cash equivalents	(3,843,781)	531,913
Cash and cash equivalents at beginning of period	9,224,340	5,944,260
Cash and cash equivalents at end of period	5,380,559	6,476,173
Supplemental disclosure of cash flow information:
Cash paid during the period for: Income taxes	$ 549,000us-gaap_IncomeTaxesPaid	$ 629,000us-gaap_IncomeTaxesPaid

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