Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Nov. 30, 2024	Nov. 30, 2023
Cash flows from operations:
Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	$ (94,466)	$ 762,789
Net income (loss) from discontinued operations	401,841	(495,820)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Stock based compensation	182,847	292,185
Increase (decrease) in obsolete inventory reserves	152,902	(126,707)
Gain on disposal of property, plant, and equipment	(5,300)	(92,495)
Depreciation and amortization expense	868,004	774,365
Amortization of cloud computing implementation costs	121,819	30,455
Increase (decrease) in allowance for expected credit losses - accounts receivable	76,499	(1,151)
Deferred income taxes	62,916	102,182
Changes in assets and liabilities:
Accounts receivable	982,841	(964,275)
Inventories	550,547	(1,297,947)
Other assets	(33,644)	44,117
Accounts payable	(1,312,054)	(253,961)
Contracts in progress, net	1,653,949	184,872
Customer deposits	(235,447)	(409,369)
Income taxes payable	500	1,500
Accrued expenses	(95,934)	237,471
Net cash provided by (used in) operating activities - continuing operations	2,875,979	(715,969)
Net cash provided by operating activities - discontinued operations	(249,279)	660,775
Net cash provided by (used in) operating activities	2,626,700	(55,194)
Cash flows from investing activities:
Purchases of property, plant, and equipment	(724,679)	(841,784)
Net proceeds from sale of assets	5,300	286,815
Net cash used in investing activities - continuing operations	(719,379)	(554,969)
Net cash provided by investing activities - discontinued operations	1,680,453	101,457
Net cash provided by (used in) investing activities	961,074	(453,512)
Cash flows from financing activities:
Net change in line of credit	(2,485,083)	489,020
Proceeds from finance lease obligations	0	397,536
Principal payments on finance lease obligations	(262,503)	(184,881)
Repayment of term debt	(644,089)	(99,136)
Repurchases of common stock	(37,654)	(68,536)
Net cash provided by (used in) financing activities - continuing operations	(3,429,329)	534,003
Net cash used in financing activities - discontinued operations	(160,599)	(26,338)
Net cash provided by (used in) financing activities	(3,589,928)	507,665
Net decrease in cash	(2,154)	(1,041)
Cash at beginning of period	4,014	5,055
Cash at end of period	1,860	4,014
Supplemental disclosures of cash flow information:
Interest	601,680	606,747
Income taxes	6,309	3,646
Supplemental disclosures of non-cash investing and financing activities:
Right-of-use (ROU) assets acquired (included in other assets)	38,912	134,544
Amortization of operating lease ROU assets (included in other assets)	$ 8,653	$ 12,375