Consolidated Balance Sheets - USD ($)	Nov. 30, 2019	Nov. 30, 2018
Current assets:
Cash	$ 3,145	$ 3,512
Accounts receivable-customers, net of allowance for doubtful accounts of $22,925 and $25,100 in 2019 and 2018, respectively	1,679,975	1,537,113
Inventories, net	8,778,507	10,257,102
Cost and profit in excess of billings	726,667	99,287
Net investment in sales-type leases, current	148,005	123,055
Other current assets	70,931	125,089
Total current assets	11,407,230	12,145,158
Property, plant, and equipment, net	5,362,907	5,647,485
Assets held for lease, net	713,782	1,870,125
Deferred income taxes	1,786,048	1,432,422
Net investment in sales-type leases, long-term	5,782	153,787
Other assets	71,189	76,497
Total assets	19,346,938	21,325,474
Current liabilities:
Accounts payable	1,205,313	802,062
Customer deposits	105,363	145,632
Billings in excess of cost and profit	88,931	185,014
Income taxes payable	6,400	6,400
Accrued expenses	1,132,826	893,284
Line of credit	2,578,530	3,505,530
Current portion of long-term debt	85,401	227,459
Total current liabilities	5,202,764	5,765,381
Long-term liabilities
Long-term debt, excluding current portion	2,350,592	2,523,018
Total liabilities	7,553,356	8,288,399
Commitments and Contingencies (Notes 9, 10 and 17)
Stockholders’ equity:
Undesignated preferred stock - $0.01 par value. Authorized 500,000 shares in 2019 and 2018; issued and outstanding 0 shares in 2019 and 2018.
Common stock – $0.01 par value. Authorized 9,500,000 shares in 2019 and 2018; issued 4,321,087 in 2019 and 4,225,050 in 2018	43,211	42,250
Additional paid-in capital	3,250,087	3,055,632
Retained earnings	8,547,342	9,966,928
Treasury stock, at cost (18,842 in 2019 and 9,286 in 2018 shares)	(47,058)	(27,735)
Total stockholders’ equity	11,793,582	13,037,075
Total liabilities and stockholders’ equity	$ 19,346,938	$ 21,325,474