Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($)	May 31, 2019	Nov. 30, 2018
Current assets:
Cash	$ 4,401	$ 3,512
Accounts receivable-customers, net of allowance for doubtful accounts of $29,153 and $25,100 in 2019 and 2018, respectively	2,667,764	1,537,113
Inventories, net	10,105,263	10,257,102
Cost and profit in excess of billings	32,527	99,287
Net investment in sales-type leases, current	145,799	123,055
Other current assets	266,107	125,089
Total current assets	13,221,861	12,145,158
Property, plant, and equipment, net	5,468,238	5,647,485
Assets held for lease, net	805,498	1,870,125
Deferred income taxes	1,711,958	1,432,422
Net investment in sales-type leases, long-term	77,607	153,787
Other assets	73,843	76,497
Total assets	21,359,005	21,325,474
Current liabilities:
Accounts payable	936,036	802,062
Customer deposits	512,286	145,632
Billings in excess of cost and profit	851,206	185,014
Income taxes payable	3,855	6,400
Accrued expenses	795,615	893,284
Line of credit	3,599,530	3,505,530
Current portion of long-term debt	83,250	227,459
Total current liabilities	6,781,778	5,765,381
Long-term liabilities
Long-term debt, excluding current portion	2,393,502	2,523,018
Total liabilities	9,175,280	8,288,399
Commitments and Contingencies (Notes 9 and 10)
Stockholders’ equity:
Undesignated preferred stock - $0.01 par value. Authorized 500,000 shares in 2019 and 2018; issued 0 shares in 2019 and 2018.
Common stock – $0.01 par value. Authorized 9,500,000 shares in 2019 and 2018; issued 4,309,587 in 2019 and 4,225,050 in 2018	43,096	42,250
Additional paid-in capital	3,174,230	3,055,632
Retained earnings	9,004,954	9,966,928
Treasury stock, at cost (14,779 in 2019 and 9,286 in 2018 shares)	(38,555)	(27,735)
Total stockholders’ equity	12,183,725	13,037,075
Total liabilities and stockholders’ equity	$ 21,359,005	$ 21,325,474