Condensed Consolidated Balance Sheets - USD ($)	Sep. 30, 2016	Jun. 30, 2016
Current assets:
Cash and cash equivalents	$ 868,864	$ 966,183
Trade accounts receivable, less allowance for doubtful accounts of $413,195 as of September 30, 2016 and $389,050 as of June 30, 2016	3,455,396	3,523,731
Other receivables	5,905	10,946
Inventories, net	5,285,247	4,997,254
Prepaid expenses	295,086	256,735
Total current assets	9,910,498	9,754,849
Property and equipment, net	4,673,913	4,777,565
Intangible assets, net	152,453	160,123
Other assets	560,996	579,661
Total assets	15,297,860	15,272,198
Current liabilities:
Current portion of long-term debt	132,219	137,283
Current portion of capital lease	185,876	183,302
Current portion of deferred gain	150,448	150,448
Warranty reserve	151,579	152,605
Accounts payable	2,755,230	1,914,342
Accrued expenses	161,412	358,287
Accrued payroll and benefits expense	761,897	1,034,688
Income tax payable	4,040	2,895
Total current liabilities	4,302,701	3,933,850
Long-term debt, net of current portion	506,282	553,191
Capital lease, net of current portion	3,234,101	3,281,547
Deferred gain, net of current portion	1,792,837	1,830,449
Deferred rent	95,330	85,151
Total liabilities	9,931,251	9,684,188
Commitments and contingencies
Stockholders' equity:
Preferred stock, no par value: Authorized 5,000,000 shares; 1,610,000 shares issued and outstanding as of September 30, 2016 and June 30, 2016, respectively	3,708,152	3,708,152
Common stock, no par value: Authorized 50,000,000 shares; 2,846,678 shares and 2,805,280 shares issued and outstanding as of September 30, 2016 and June 30, 2016, respectively	7,699,097	7,545,880
Accumulated deficit	(6,040,640)	(5,666,022)
Total stockholders' equity	5,366,609	5,588,010
Total liabilities and stockholders' equity	$ 15,297,860	$ 15,272,198