Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($)	Dec. 31, 2022	Mar. 31, 2022
Current assets:
Cash and cash equivalents	$ 997,685	$ 1,038,498
Accounts receivable, net of allowance for doubtful accounts of $675,000 at December 31, 2022 and March 31, 2022, respectively	558,285	729,721
Inventories	423,355	288,076
Prepaid expenses and other current assets	82,492	57,741
Total current assets	2,061,817	2,114,036
Other Assets:
Operating lease right-of-use asset	451,561	513,138
Loan receivable	201,203	128,322
Due from affiliate	80,090	80,090
Inventories - long-term portion	183,730	183,730
Intangible assets, net of accumulated amortization of $21,911 and $19,751 at December 31, 2022 and March 31, 2022, respectively	13,883	16,043
Other assets	90,538	90,538
Deferred tax asset	125,000	125,000
Total other assets	1,146,005	1,136,861
Total assets	3,207,822	3,250,897
Current liabilities:
Accounts payable	263,339	329,554
Accrued expenses and other current liabilities	108,718	133,053
PPP loan	13,001	5,335
Line of credit	111,973	334,760
Warrant liability	0	182,161
Operating lease liability	80,649	75,254
Customer deposits	362,184	263,619
Due to stockholder	21,129	50,233
Total current liabilities	960,993	1,373,969
Long-term liabilities
PPP loan less current portion	0	11,700
Operating lease liability less current portion	429,874	491,265
Total long-term liabilities	429,874	502,965
Total liabilities	1,390,867	1,876,934
Stockholders' equity:
Preferred stock, $.01 par value; 5,000,000 shares authorized, no shares issued and outstanding	0	0
Common stock, $0.0005 par value; 150,000,000 shares authorized, 67,588,504 shares issued and outstanding	33,794	33,794
Additional paid-in capital	33,599,516	33,311,672
Accumulated deficit	(31,816,355)	(31,971,503)
Total stockholders' equity	1,816,955	1,373,963
Total liabilities and stockholders' equity	$ 3,207,822	$ 3,250,897