Statements of Cash Flows - USD ($)	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Cash Flows from Operating Activities:
Net income	$ 3,183,127	$ 1,167,885
Adjustments to reconcile net income to net cash provided by operating activities:
Excess tax benefits from share-based compensation	(26,835)	$ (26,242)
Tax effect of dividends on unallocated ESOP shares	24,862
Stock-based compensation	62,416	$ 99,050
Depreciation	445,687	452,390
ESOP compensation expense	457,643	552,998
Loss on disposal of assets	380	13
Deferred income tax (benefit) expense	(66,958)	183,319
Changes in assets and liabilities:
(Increase) decrease in trade receivables, net	(3,499,723)	4,009,548
Decrease (increase) in income tax receivable	943,234	(943,234)
(Increase) decrease in inventories, net	(974,647)	762,520
(Increase) decrease in prepaid expenses and other current assets	(34,164)	137,960
Increase (decrease) in accounts payable	248,831	(545,861)
(Decrease) increase in accrued salaries, wages and commissions	(81,602)	43,435
Decrease in vacation accrual	(2,453)	(54,754)
Decrease in other accrued expenses	(31,136)	(49,925)
(Decrease) increase in payroll and other taxes withheld and accrued	(6,471)	2,662
Increase (decrease) in income taxes payable	29,551	(404,221)
Net cash provided by operating activities	671,742	5,387,543
Cash Flows from Investing Activities:
Additions to property, plant and equipment	$ (266,029)	(709,972)
Proceeds from loan receivable		25,194
Purchase of investment securities	$ (3,921,537)	(3,456,934)
Proceeds from sale/maturity of investment securities	4,668,836	2,436,165
Net cash provided by (used in) investing activities	481,270	(1,705,547)
Cash Flows from Financing Activities:
Dividends on common stock	(1,698,306)	$ (4,481,066)
Purchase of treasury stock	(320,504)
Proceeds from exercise of stock options	141,477	$ 441,091
Excess tax benefits from share-based compensation	26,835	26,242
Net cash used in financing activities	(1,850,498)	(4,013,733)
Decrease in cash and cash equivalents	(697,486)	(331,737)
Cash and cash equivalents, beginning of the year	9,556,891	9,888,628
Cash and cash equivalents, end of the year	8,859,405	9,556,891
Supplemental Schedule of Cash Flow Information:
Income taxes paid	384,000	$ 1,462,200
Supplemental Schedule of Non-cash Financing Activities:
Accrual of dividends	$ 590,672