Condensed Consolidated Balance Sheets - USD ($)	Mar. 31, 2023	Jun. 30, 2022
Current assets:
Cash and cash equivalents	$ 516,970	$ 550,110
Restricted cash	152,627	151,207
Trade accounts receivable, less allowance for doubtful accounts of $107,842 and $248,224 as of March 31, 2023 and June 30, 2022, respectively	4,366,953	5,416,044
Other receivables	444,059	446,493
Inventories, net	9,703,113	12,071,292
Prepaid expenses	549,370	590,820
Total current assets	15,733,092	19,225,966
Property and equipment, net	2,623,953	2,911,420
Operating lease assets	3,842,905	1,565,530
Intangible assets, net	3,772,850	4,240,725
Goodwill	7,116,614	7,116,614
Other assets	350,135	373,740
Total assets	33,439,549	35,433,995
Current liabilities:
Accounts payable	6,166,723	6,168,961
Accrued payroll and benefits expense	811,832	1,359,624
Accrued expense	15,608	862,438
Warranty reserve	115,637	197,156
Current portion of long-term debt	0	5,362
Current portion of finance lease liability	284,681	321,085
Current portion of deferred gain	150,448	150,448
Current portion of operating lease liability	1,030,530	846,304
Other liabilities	13,743	23,967
Total current liabilities	8,589,202	9,935,345
Finance lease liability, net of current portion	1,805,008	1,938,531
Deferred gain, net of current portion	814,926	927,762
Operating lease liability, net of current portion	2,812,375	727,310
Other liabilities	202,562	206,489
Total liabilities	14,224,073	13,735,437
Commitments and contingencies
Stockholders' equity:
Preferred stock, no par value: Authorized 50,000,000 shares; 3,351,000 shares issued and outstanding as of March 31, 2023 and June 30, 2022, respectively	7,980,788	7,980,788
Common stock, no par value: Authorized 100,000,000 shares; 3,890,526 shares and 3,639,663 shares issued and outstanding as of March 31, 2023 and June 30, 2022, respectively	34,160,784	33,533,003
Accumulated deficit	(22,926,096)	(19,815,233)
Total stockholders' equity	19,215,476	21,698,558
Total liabilities and stockholders' equity	$ 33,439,549	$ 35,433,995