Consolidated Balance Sheets - USD ($)	Nov. 30, 2018	Nov. 30, 2017
Current assets:
Cash	$ 3,512	$ 212,400
Accounts receivable-customers, net of allowance for doubtful accounts of $25,100 and $32,298 in 2018 and 2017, respectively	1,537,113	1,910,294
Inventories, net	10,257,102	11,966,722
Cost and profit in excess of billings	99,287	65,146
Net investment in sales-type leases, current	123,055
Assets of discontinued operations		2,454
Other current assets	125,089	275,755
Total current assets	12,145,158	14,432,771
Property, plant, and equipment, net	5,647,485	5,946,957
Assets held for lease, net	1,870,125	1,217,164
Deferred income taxes	1,432,422	901,396
Goodwill		375,000
Net investment in sales-type leases, long-term	153,787
Other assets of discontinued operations		1,425,000
Other assets	76,497	81,545
Total assets	21,325,474	24,379,833
Current liabilities:
Accounts payable	802,062	673,653
Customer deposits	145,632	600,325
Billings in excess of cost and profit	185,014	48,211
Income taxes payable	6,400	3,100
Accrued expenses	893,284	981,558
Liabilities of discontinued operations		59,149
Line of credit	3,505,530	2,462,530
Current portion of long-term debt	227,459	221,230
Total current liabilities	5,765,381	5,049,756
Long-term liabilities
Long-term liabilities of discontinued operations		590,366
Long-term debt, excluding current portion	2,523,018	2,748,677
Total liabilities	8,288,399	8,388,799
Commitments and Contingencies (Notes 9, 10 and 17)
Stockholders’ equity:
Undesignated preferred stock - $0.01 par value. Authorized 500,000 shares in 2018 and 2017; issued and outstanding 0 shares in 2018 and 2017.
Common stock – $0.01 par value. Authorized 9,500,000 shares in 2018 and 2017; issued and outstanding 4,225,050 in 2018 and 4,158,752 in 2017	42,250	41,587
Additional paid-in capital	3,055,632	2,859,052
Retained earnings	9,966,928	13,353,830
Accumulated other comprehensive loss		(257,010)
Treasury stock, at cost (9,286 in 2018 and 1,954 in 2017 shares)	(27,735)	(6,425)
Total stockholders’ equity	13,037,075	15,991,034
Total liabilities and stockholders’ equity	$ 21,325,474	$ 24,379,833