Consolidated Balance Sheets (USD $)	Dec. 31, 2014	Jun. 30, 2014
Current assets:
Cash and cash equivalents	$ 8,295,624	$ 7,039,938
Accounts receivable, less allowance for doubtful accounts of $146,868 and $136,868, respectively	3,575,008	3,759,152
Inventories, net	4,251,953	4,217,350
Prepaid expenses and other current assets	169,217	367,830
Total current assets	16,291,802	15,384,270
Property, plant and equipment, net of accumulated amortization and depreciation of $5,142,375 and $4,842,009, respectively	1,707,644	1,517,852
Goodwill	1,701,094	1,701,094
Intangible and other assets	854,265	924,653
Total assets	20,554,805	19,527,869
Current liabilities:
Accounts payable	1,049,821	1,650,323
Accrued expenses and other current liabilities	1,212,502	1,457,250
Total current liabilities	2,262,323	3,107,573
Deferred lease liability	8,307	16,614
Deferred income	35,856	51,318
Total liabilities	2,306,486	3,175,505
Commitments and contingencies (Note 8)
Stockholders' equity:
Common stock, $.01 par value-shares authorized 20,000,000, 7,761,333 and 7,412,096 shares issued and 7,636,351 and 7,334,536 shares outstanding, respectively	77,613	74,121
Additional paid-in capital	29,312,958	28,169,622
Accumulated deficit	(10,195,992)	(11,480,386)
Treasury stock, at cost, 124,982 and 77,560 shares, respectively	(946,260)	(410,993)
Total stockholders' equity	18,248,319	16,352,364
Total liabilities and stockholders' equity	$ 20,554,805	$ 19,527,869