Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($)	Dec. 31, 2025	Mar. 31, 2025
Current assets:
Cash and cash equivalents	$ 298,733	$ 382,969
Accounts receivable, net of credit losses of $975,597 at December 31, 2025 and March 31, 2025, respectively	559,801	528,383
Inventories	341,433	336,270
Prepaid expenses and other current assets	176	1,800
Total current assets	1,200,143	1,249,422
Other Assets:
Long-term inventory	192,040	220,401
Operating lease right-of-use asset	245,470	313,189
Loan receivable, net of allowance for doubtful accounts of $240,965 at December 31, 2025 and March 31, 2025, respectively.	89,125	89,125
Investments	315,000	225,750
Intangible assets, net of accumulated amortization of $40,389 and $35,242 at December 31, 2025 and March 31, 2025, respectively	9,920	15,067
Other assets	0	14,917
Total other assets	851,555	878,449
Total assets	2,051,698	2,127,871
us-gaap_LiabilitiesCurrentAbstract
Accounts payable	276,033	299,007
Bank overdraft	125,622	147,503
Accrued expenses and other current liabilities	83,095	29,240
PPP loan	0	896
Line of credit	379,445	377,161
Operating lease liability	96,933	93,373
Customer deposits	95,508	201,968
Total current liabilities	1,056,636	1,149,148
Long-term liabilities
Due to employee	79,074	79,449
Operating lease liability less current portion	154,777	227,928
Total long-term liabilities	233,851	307,377
Total liabilities	1,290,487	1,456,525
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, 67,588,492 shares issued and outstanding	33,794	33,794
Additional paid-in capital	33,607,772	33,607,772
Accumulated deficit	(32,880,355)	(32,970,220)
Total stockholders' equity	761,211	671,346
Total liabilities and stockholders' equity	$ 2,051,698	$ 2,127,871