Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	6 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Cash flows from operating activities:
Net loss	$ (113,783)	$ (143,576)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation	36,208	39,590
Change in operating assets and liabilities:
Accounts receivable-trade	13,889	98,667
Inventories	20,897	6,787
Prepaid expenses and other assets	(15,125)	5,730
Accounts payable and customer deposits	(32,419)	(12,611)
Accrued payroll and related expenses and compensated absences	5,669	(395)
Other current liabilities	(5,948)	3,909
Net cash used in operating activities	(90,612)	(1,899)
Cash flows from investing activities:
Property, plant and equipment purchased	(2,438)	(52,745)
Net cash used in investing activities	(2,438)	(52,745)
Cash flows from financing activities:
Repayment of note payable	(24,189)	(23,123)
Purchase of treasury stock	(3)	(662)
Net cash used in financing activities	(24,192)	(23,785)
Decrease in cash and cash equivalents	(117,242)	(78,429)
Cash and cash equivalents at beginning of period	667,940	923,117
Cash and cash equivalents at end of period	550,698	844,688
Supplemental Schedule of Cash Flow Information:
Interest paid	6,993	8,059
Income taxes paid	$ 50	$ 0