Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($)	Feb. 28, 2026	Nov. 30, 2025
Current assets:
Cash	$ 2,937	$ 4,849
Receivables, net	3,434,127	2,201,879
Inventories, net	12,069,850	11,708,242
Cost and profit in excess of billings	572,840	379,547
Other current assets	873,947	487,020
Total current assets	16,953,701	14,781,537
Property, plant, and equipment, net	5,099,359	5,082,406
Assets held for lease, net	141,950	144,618
Deferred income taxes, net	2,003,222	2,060,934
Other assets	365,600	408,060
Total assets	24,563,832	22,477,555
Current liabilities:
Accounts payable	1,679,006	902,326
Income taxes payable	15,000	15,000
Accrued expenses	963,443	1,327,569
Line of credit	3,431,937	3,252,437
Current portion of finance lease liabilities	255,143	255,748
Insurance premium finance liability	167,108	0
Current portion of long-term debt	167,811	165,326
Total current liabilities	8,389,319	6,438,038
Long-term portion of finance lease liabilities	345,785	408,154
Long-term debt, excluding current portion	2,283,081	2,325,103
Total liabilities	11,018,185	9,171,295
Commitments and Contingencies (Notes 8, 10, 11 and 14)
Stockholders’ equity:
Undesignated preferred stock - $0.01 par value. Authorized 500,000 shares on February 28, 2026 and November 30, 2025; issued and outstanding 0 shares on February 28, 2026 and November 30, 2025.	0	0
Common stock – $0.01 par value. Authorized 9,500,000 shares on February 28, 2026 and November 30, 2025; 5,295,673 issued on February 28, 2026 and 5,225,423 on November 30, 2025	52,957	52,254
Additional paid-in capital	5,241,409	5,199,167
Retained earnings	8,559,969	8,363,527
Treasury stock, at cost (113,589 shares on February 28, 2026 and 113,589 shares on November 30, 2025)	(308,688)	(308,688)
Total stockholders’ equity	13,545,647	13,306,260
Total liabilities and stockholders’ equity	24,563,832	22,477,555
Billings in Excess of Cost and Profit [Member]
Current liabilities:
Contract with Customer, Liability, Current	830,578	88,920
Customer Deposits [Member]
Current liabilities:
Contract with Customer, Liability, Current	$ 879,293	$ 430,712