Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $)	9 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Operating activities:
Net earnings	$ 526,881	$ 322,578
Adjustments to reconcile net income to net cash and cash equivalents provided (used) by operating activities:
Depreciation and amortization	43,677	37,367
Bad debt expense	509	1,176
Inventory reserve	(8,674)	2,454
Benefit for deferred income taxes	(331)	(1,181)
(Increase) decrease in operating assets:
Accounts and trade notes receivables	246,339	(1,040,155)
Inventories	(507,591)	(20,005)
Refundable income taxes	18,700	(107,971)
Lease and mortgage receivables	9,424	10,556
Other current assets	(2,547,381)	(58,878)
Increase (decrease) in operating liabilities:
Accounts payable and accrued expenses	401,399	916,964
Accrued employee expenses	(65,385)	(275,181)
Income taxes payable	51,967	(47,547)
Deferred income	2,013,243
Customer deposits	3,765,229	539,202
Net cash provided by operating activities	3,948,006	279,379
Capital expenditures	(23,540)	(6,115)
Net cash used by investing activities	(23,540)	(6,115)
Dividends paid	(4,220,239)	(351,686)
Net cash used by financing activities	(4,220,239)	(351,686)
Net decrease in cash and cash equivalents	(295,773)	(78,422)
Cash and cash equivalents at beginning of period	6,527,940	6,907,020
Cash and cash equivalents at end of period	6,232,167	6,828,598
Cash paid during the period for income taxes	$ 266,000	$ 357,000