Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($)	Nov. 30, 2018	Aug. 31, 2018
Current assets:
Cash	$ 212,400	$ 4,888
Accounts receivable-customers, net of allowance for doubtful accounts of $24,630 and $32,298 in 2018 and 2017, respectively	1,910,294	2,141,167
Inventories, net	11,966,722	10,668,767
Cost and profit in excess of billings	65,146	79,602
Net investment in sales-type leases, current		142,242
Assets of discontinued operations	2,454
Other current assets	275,755	175,735
Total current assets	14,432,771	13,212,401
Property, plant, and equipment, net	5,946,957	5,654,140
Assets held for lease, net	1,217,164	1,663,855
Deferred income taxes	901,396	1,005,250
Goodwill	375,000	375,000
Net investment in sales-type leases, long-term		186,779
Other assets of discontinued operations	1,425,000
Other assets	81,545	77,824
Total assets	24,379,833	22,175,249
Current liabilities:
Line of credit	2,462,530	2,693,530
Current portion of long-term debt	221,230	225,405
Accounts payable	673,653	846,596
Customer deposits	600,325	133,924
Billings in Excess of Cost and Profit	48,211	71,723
Accrued expenses	981,558	1,234,306
Liabilities of discontinued operations	59,149
Income taxes payable	3,100	3,500
Total current liabilities	5,049,756	5,208,984
Long-term liabilities
Long-term liabilities of discontinued operations	590,366
Long-term debt, excluding current portion	2,748,677	2,580,387
Total liabilities	8,388,799	7,789,371
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 4,216,430 in 2018 and 4,158,752 in 2017	41,587	42,164
Additional paid-in capital	2,859,052	3,016,565
Retained earnings	13,353,830	11,354,884
Accumulated other comprehensive income	(257,010)
Treasury stock, at cost (9,286 in 2018 and 1,954 in 2017 shares)	(6,425)	(27,735)
Total stockholders’ equity	15,991,034	14,385,878
Total liabilities and stockholders’ equity	$ 24,379,833	$ 22,175,249