Consolidated Statements Of Cash Flows (USD $)	3 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Cash flows from operating activities:
Net income	$ 102,817	$ 47,593
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation	37,583	22,759
Gain on sale of fixed assets	(20,000)	0
Change in assets and liabilities:
Accounts receivable	130,368	67,268
Federal and state income tax recoverable	25,402	0
Inventories	49,870	(17,252)
Prepaid expenses and other assets	12,247	20,292
Accounts payable and customer deposits	(37,811)	91,436
Accrued payroll, compensated absences and related expenses	(39,691)	(36,128)
Other current liabilities	(51,899)	5,375
Net cash provided by (used in) operating activities	208,886	201,343
Cash flows from investing activities:
Capital expenditures	(189,078)	(4,470)
Proceeds from sale of fixed assets	20,000	0
Net cash (used in) provided by investing activities	(169,078)	(4,470)
Cash flows from financing activities:
Purchase of treasury stock	0	(1,912)
Net cash (used in) provided by financing activities	0	(1,912)
Net increase (decrease) in cash and cash equivalents	39,808	194,961
Cash and cash equivalents at beginning of period	1,258,885	1,466,719
Cash and cash equivalents at end of period	1,298,693	1,661,680
Supplemental Schedule of Cash Flow Information:
Income taxes paid	$ 15,000	$ 0