CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Cash flows from operating activities:
Net income available to common shareholders	$ 1,831,530	$ 3,261,947
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation expense	3,291,386	3,384,504
Gain on sale/disposal of equipment	(179,031)	(16,644)
Provision for deferred taxes	1,109,597	(2,242,078)
(Increase) decrease in contracts receivable	(6,804,621)	1,883,884
(Increase) decrease in retainage receivable	(2,035,577)	1,678,336
(Increase) decrease in other receivables	81,726	(53,042)
(Increase) decrease in cost and estimated earnings in excess of billings on uncompleted contracts	2,581,180	(291,601)
(Increase) decrease in prepaid expenses	(549,836)	368,419
Increase in notes receivable	(137,281)
Decrease in accounts payable	(2,095,715)	(1,876,562)
Increase in accrued expenses	791,688	95,314
Increase (decrease) in billings in excess of cost and estimated earnings on uncompleted contracts	1,949,133	(2,974,726)
Increase (decrease) in income taxes payable	171,782	(384,303)
Net cash provided by operating activities	5,961	2,833,448
Cash flows from investing activities:
Investment in property & equipment	(2,437,190)	(1,566,966)
Proceeds from sales of property and equipment	227,262	195,382
Net cash used in investing activities	$ (2,209,928)	(1,371,584)
Cash flows from financing activities:
Proceeds from private placement of preferred stock		249,998
Par value of stock issued to preferred shareholders		3
Treasury stock purchased by company		(30)
Borrowings on lines of credit and short term debt, net of (repayments)	$ 3,756,103	(9,372,535)
Proceeds from long term debt	1,162,879	10,457,965
Principal payments on long term debt	(3,875,702)	(6,464,879)
Net cash provided by financing activities	1,043,280	(5,129,478)
Decrease in cash and cash equivalents	(1,160,687)	(3,667,614)
Cash beginning of period	2,672,268	6,339,882
Cash end of period	1,511,581	2,672,268
Supplemental schedule of noncash investing and financing activities:
Purchases of property & equipment under financing agreements	1,416,857	142,630
Insurance premiums financed	2,349,760	2,268,510
Cash paid during the year for:
Interest	761,079	914,125
Income taxes	243,998	396,000
Insurance premiums financed	2,343,657	2,479,708
Dividends paid on preferred stock	$ 309,000	$ 386,250