Statements of Cash Flows (Unaudited) (USD $)	6 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Cash Flows From Operating Activities:
Net income	$ 2,352,494	$ 1,997,767
Adjustments to reconcile net income to net cash provided by operating activities:
Excess tax benefits from share-based compensation	(16,509)	(40,801)
Stock-based compensation	60,371	42,425
Depreciation	209,071	215,042
ESOP compensation expense	272,453	251,355
Loss on disposal of assets	5,535	20,624
Deferred income tax benefit	(65,095)	(55,321)
Changes in assets and liabilities:
(Increase) decrease in trade receivable, net	(1,606,696)	1,650,901
Increase in income taxes receivables	(213,416)
Increase in inventories	(283,633)	(244,894)
Decrease in prepaid expenses and other current assets	98,454	123,295
(Decrease) increase in accounts payable	(253,966)	56,217
Decrease in accrued salaries, wages and commissions	(128,093)	(146,279)
Decrease in vacation accrual	(94,281)	(19,957)
Decrease in ESOP payable	(201,583)	(228,375)
Increase in other accrued expenses	22,071	65,673
Increase in payroll and other taxes withheld and accrued	636	766
Decrease in income taxes payable	(57,087)	(170,898)
Net cash provided by operating activities	100,726	3,517,540
Cash Flows From Investing Activities:
Additions to property, plant and equipment	(163,784)	(162,438)
Proceeds from loan receivable	20,931	20,313
Purchase of investment securities	(3,055,799)	(2,700,343)
Proceeds from maturity of investment securities	2,542,123	1,460,288
Net cash used in investing activities	(656,529)	(1,382,180)
Cash Flows From Financing Activities:
Sale of treasury stock	66,102	58,975
Dividends on common stock	(3,252,091)	(3,142,847)
Purchase of treasury stock	(50,566)	(103,346)
Proceeds from exercise of stock options	417,656	51,378
Excess tax benefits from share-based compensation	16,509	40,801
Net cash used in financing activities	(2,802,390)	(3,095,039)
Decrease in cash and cash equivalents	(3,358,193)	(959,679)
Cash and cash equivalents, beginning of period	11,523,424	9,695,811
Cash and cash equivalents, end of period	8,165,231	8,736,132
Supplemental Schedule of Cash Flow Information:
Income taxes paid	$ 1,240,000	$ 1,018,000