Condensed Consolidated Balance Sheets - USD ($)	Dec. 31, 2021	Jun. 30, 2021
Current assets:
Cash and cash equivalents	$ 3,422,233	$ 6,102,447
Restricted cash	151,197	151,197
Trade accounts receivable, less allowance for doubtful accounts of $281,648 and $398,887 as of December 31, 2021 and June 30, 2021, respectively	5,591,857	5,643,016
Other receivables	376,948	1,201,888
Inventories, net	9,324,155	6,526,095
Prepaid expenses	1,648,083	1,281,223
Total current assets	20,514,473	20,905,866
Property and equipment, net	3,061,053	3,328,185
Operating lease assets	2,016,211	2,456,539
Intangible assets, net	4,575,925	4,928,875
Goodwill	7,116,614	7,116,614
Other assets	389,462	403,916
Total assets	37,673,738	39,139,995
Current liabilities:
Accounts payable	4,682,080	3,737,930
Accrued payroll and benefits expense	1,237,284	1,656,311
Accrued expenses	1,037,049	1,485,123
Warranty reserve	196,707	196,707
Current portion of long-term debt	11,923	13,448
Current portion of finance lease liability	345,826	335,444
Current portion of deferred gain	150,448	150,448
Current portion of operating lease liability	920,856	864,081
Other liabilities	23,856	33,194
Total current liabilities	8,606,029	8,472,686
Long-term debt, net of current portion	244	5,362
Finance lease liability, net of current portion	2,084,906	2,260,815
Deferred gain, net of current portion	1,002,986	1,078,210
Operating lease liability, net of current portion	1,106,880	1,605,477
Other liabilities	205,811	203,920
Total liabilities	13,006,856	13,626,470
Stockholders' equity:
Preferred stock, no par value: Authorized 50,000,000 shares; 3,351,000 shares issued and outstanding as of December 31, 2021 and June 30, 2021, respectively	7,980,788	7,980,788
Common stock, no par value: Authorized 100,000,000 shares; 17,732,440 shares and 17,364,654 shares issued and outstanding as of December 31, 2021 and June 30, 2021, respectively	33,102,691	32,621,471
Accumulated deficit	(16,416,597)	(15,088,734)
Total stockholders' equity	24,666,882	25,513,525
Total liabilities and stockholders' equity	$ 37,673,738	$ 39,139,995