Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($)	Aug. 31, 2020	Nov. 30, 2019
Current assets:
Cash	$ 4,200	$ 3,145
Accounts receivable-customers, net of allowance for doubtful accounts of $42,542 and $22,925 in 2020 and 2019, respectively	1,723,492	1,679,975
Inventories, net	9,022,598	8,778,507
Cost and profit in excess of billings	122,289	726,667
Net investment in sales-type leases, current	47,854	148,005
Other current assets	167,799	70,931
Total current assets	11,088,232	11,407,230
Property, plant, and equipment, net	5,389,801	5,362,907
Assets held for lease, net	521,516	713,782
Deferred income taxes	2,222,740	1,786,048
Net investment in sales-type leases, long-term		5,782
Other assets	97,389	71,189
Total assets	19,319,678	19,346,938
Current liabilities:
Accounts payable	1,428,993	1,205,313
Customer deposits	122,335	105,363
Billings in excess of cost and profit	404,725	88,931
Income taxes payable	6,400	6,400
Accrued expenses	1,200,321	1,132,826
Line of credit	1,767,530	2,578,530
Current portion of long-term debt	91,632	85,401
Total current liabilities	5,021,936	5,202,764
Long-term liabilities
Long-term portion of operating lease liabilities	20,776
Long-term debt, excluding current portion	3,976,781	2,350,592
Total liabilities	9,019,493	7,553,356
Commitments and Contingencies
Stockholders’ equity:
Undesignated preferred stock - $0.01 par value. Authorized 500,000 shares in 2020 and 2019; issued 0 shares in 2020 and 2019.
Common stock – $0.01 par value. Authorized 9,500,000 shares in 2020 and 2019; issued 4,465,004 in 2020 and 4,321,087 in 2019	44,650	43,211
Additional paid-in capital	3,444,310	3,250,087
Retained earnings	6,884,819	8,547,342
Treasury stock, at cost (33,313 in 2020 and 18,842 in 2019 shares)	(73,594)	(47,058)
Total stockholders’ equity	10,300,185	11,793,582
Total liabilities and stockholders’ equity	$ 19,319,678	$ 19,346,938