Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($)	Feb. 28, 2018	Nov. 30, 2017
Current assets:
Cash	$ 92,814	$ 212,400
Accounts receivable-customers, net of allowance for doubtful accounts of $16,165 and $32,298 in 2018 and 2017, respectively	1,827,102	1,910,294
Inventories, net	11,068,505	11,966,722
Cost and profit in excess of billings	2,778	65,146
Net investment in sales-type leases, current	119,512
Assets of discontinued operations	4,855	2,454
Other current assets	425,263	275,755
Total current assets	13,540,829	14,432,771
Property, plant, and equipment, net	5,818,795	5,946,957
Assets held for lease, net	1,201,515	1,217,164
Deferred income taxes	693,751	901,396
Goodwill	375,000	375,000
Net investment in sales-type leases, long-term	255,943
Other assets of discontinued operations	1,425,000	1,425,000
Other assets	80,478	81,545
Total assets	23,391,311	24,379,833
Current liabilities:
Line of credit	1,960,530	2,462,530
Current portion of long-term debt	222,475	221,230
Accounts payable	929,474	673,653
Customer deposits	622,597	600,325
Billings in Excess of Cost and Profit	11,908	48,211
Accrued expenses	864,289	981,558
Liabilites of discontinued operations	49,211	59,149
Income taxes payable	3,100	3,100
Total current liabilities	4,663,584	5,049,756
Long-term liabilities
Long-term liabilities of discontinued operations	587,989	590,366
Long-term debt, excluding current portion	2,693,606	2,748,677
Total liabilities	7,945,179	8,388,799
Commitments and Contingencies (Notes 8 and 9)
Stockholders’ equity:
Undesignated preferred stock - $0.01 par value. Authorized 500,000 shares in 2018 and 2017; issued 0 shares in 2018 and 2017.
Common stock – $0.01 par value. Authorized 9,500,000 shares in 2018 and 2017; issued 4,209,752 in 2018 and 4,158,752 in 2017	42,097	41,587
Additional paid-in capital	2,908,100	2,859,052
Retained earnings	12,787,378	13,353,830
Accumulated other comprehensive expense	(263,708)	(257,010)
Treasury stock, at cost (9,286 in 2018 and 1,954 in 2017 shares)	(27,735)	(6,425)
Total stockholders’ equity	15,446,132	15,991,034
Total liabilities and stockholders’ equity	$ 23,391,311	$ 24,379,833