Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($)	Feb. 29, 2020	Nov. 30, 2019
Current assets:
Cash	$ 3,287	$ 3,145
Accounts receivable-customers, net of allowance for doubtful accounts of $32,611 and $22,925 in 2020 and 2019, respectively	2,657,281	1,679,975
Inventories, net	9,314,429	8,778,507
Cost and profit in excess of billings	512,618	726,667
Net investment in sales-type leases, current	116,556	148,005
Other current assets	262,414	70,931
Total current assets	12,866,585	11,407,230
Property, plant, and equipment, net	5,449,777	5,362,907
Assets held for lease, net	667,925	713,782
Deferred income taxes	1,911,301	1,786,048
Net investment in sales-type leases, long-term		5,782
Other assets	104,178	71,189
Total assets	20,999,766	19,346,938
Current liabilities:
Accounts payable	1,554,569	1,205,313
Customer deposits	222,269	105,363
Billings in Excess of Cost and Profit	434,134	88,931
Income taxes payable	23,981	6,400
Accrued expenses	1,105,013	1,132,826
Line of credit	3,844,530	2,578,530
Current portion of long-term debt	86,497	85,401
Total current liabilities	7,270,993	5,202,764
Long-term liabilities
Long-term portion of operating lease liabilities	25,147
Long-term debt, excluding current portion	2,328,720	2,350,592
Total liabilities	9,624,860	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 4,374,837 in 2020 and 4,321,087 in 2019	43,748	43,211
Additional paid-in capital	3,287,130	3,250,087
Retained earnings	8,110,150	8,547,342
Treasury stock, at cost (29,359 in 2020 and 18,842 in 2019 shares)	(66,122)	(47,058)
Total stockholders’ equity	11,374,906	11,793,582
Total liabilities and stockholders’ equity	$ 20,999,766	$ 19,346,938