Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($)	May 31, 2020	Nov. 30, 2019
Current assets:
Cash	$ 2,948	$ 3,145
Accounts receivable-customers, net of allowance for doubtful accounts of $33,428 and $22,925 in 2020 and 2019, respectively	2,153,391	1,679,975
Inventories, net	9,532,711	8,778,507
Cost and profit in excess of billings	161,715	726,667
Net investment in sales-type leases, current	77,607	148,005
Other current assets	213,272	70,931
Total current assets	12,141,644	11,407,230
Property, plant, and equipment, net	5,396,829	5,362,907
Assets held for lease, net	622,065	713,782
Deferred income taxes	2,118,465	1,786,048
Net investment in sales-type leases, long-term		5,782
Other assets	100,608	71,189
Total assets	20,379,611	19,346,938
Current liabilities:
Accounts payable	1,197,192	1,205,313
Customer deposits	225,312	105,363
Billings in excess of cost and profit	268,361	88,931
Income taxes payable	6,400	6,400
Accrued expenses	1,211,753	1,132,826
Line of credit	3,130,530	2,578,530
Current portion of long-term debt	87,909	85,401
Total current liabilities	6,127,457	5,202,764
Long-term liabilities
Long-term portion of operating lease liabilities	22,775
Long-term debt, excluding current portion	3,548,494	2,350,592
Total liabilities	9,698,726	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 4,464,837 in 2020 and 4,321,087 in 2019	44,648	43,211
Additional paid-in capital	3,401,402	3,250,087
Retained earnings	7,308,429	8,547,342
Treasury stock, at cost (33,313 in 2020 and 18,842 in 2019 shares)	(73,594)	(47,058)
Total stockholders’ equity	10,680,885	11,793,582
Total liabilities and stockholders’ equity	$ 20,379,611	$ 19,346,938