Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Nov. 30, 2023	Nov. 30, 2022
Cash flows from operations:
Net income (loss) from continuing operations	$ 762,789	$ 374,121
Net income (loss) on discontinued operations	(495,820)	(276,324)
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Stock based compensation	292,185	287,721
Decrease in obsolete inventory reserves	(126,707)	(204,997)
Gain on disposal of property, plant, and equipment	(92,495)	(154,112)
Depreciation and amortization expense	804,820	661,018
Accrued interest on deferred debt payments	0	16,917
Decrease in allowance for doubtful accounts	(1,151)	(3,489)
Deferred income taxes	102,182	16,491
Changes in assets and liabilities:
Accounts receivable	(964,275)	(83,669)
Inventories	(1,297,947)	(1,077,041)
Other assets	44,117	2,735
Accounts payable	(253,961)	934,160
Contracts in progress, net	184,872	(226,342)
Customer deposits	(409,369)	551,857
Income taxes payable	1,500	(2,000)
Accrued expenses	237,471	133,251
Net cash provided by (used in) operating activities - continuing operations	(715,969)	1,226,621
Net cash provided by (used in) operating activities - discontinued operations	660,775	(274,900)
Net cash provided by (used in) operating activities	(55,194)	951,721
Cash flows from investing activities:
Purchases of property, plant, and equipment	(841,784)	(1,669,481)
Net proceeds from sale of assets	286,815	403,504
Net cash used in investing activities - continuing operations	(554,969)	(1,265,977)
Net cash provided by (used in) investing activities - discontinued operations	101,457	(77,870)
Net cash used in investing activities	(453,512)	(1,343,847)
Cash flows from financing activities:
Net change in line of credit	(489,020)	150,030
Proceeds from finance lease obligations	397,536	0
Principal payments on finance lease obligations	(184,881)	(88,251)
Proceeds from term debt	0	350,000
Repayment of term debt	(99,136)	(94,365)
Proceeds from common stock purchase agreement	0	545,529
Cost of equity issuance	0	(42,425)
Repurchases of common stock	(68,536)	(92,432)
Net cash provided by financing activities - continuing operations	534,003	428,026
Net cash used in financing activities - discontinued operations	(26,338)	(33,503)
Net cash provided by financing activities	507,665	394,523
Net increase (decrease) in cash	(1,041)	2,397
Cash at beginning of period	5,055	2,658
Cash at end of period	4,014	5,055
Supplemental disclosures of cash flow information:
Interest	606,747	421,241
Income taxes	3,646	2,365
Supplemental disclosures of non-cash investing and financing activities:
Right-of-use (ROU) assets acquired (included in other assets)	134,544	698,153
Less: Cash proceeds received under Manufacturing 4.0 grant applied to ROU Assets	0	(224,513)
Total (ROU) assets acquired (included in other assets)	134,544	473,640
Amortization of operating lease ROU assets (included in other assets)	12,375	12,862
Market value of commitment shares issued under purchase agreement	$ 0	$ 160,000