XML 36 R20.htm IDEA: XBRL DOCUMENT v2.4.0.6
Costs and Estimated Earnings in Excess of Billings (Details) (USD $)
Dec. 31, 2012
Sep. 30, 2012
Costs and estimated earnings in excess of billings on uncompleted contracts    
Costs incurred on uncompleted contracts $ 2,297,000 $ 4,986,000
Estimated earnings 837,000 1,518,000
Costs and estimated earnings on uncompleted contracts 3,134,000 6,504,000
Billings to date 1,040,000 3,056,000
Costs and estimated earnings in excess of billings $ 2,094,000 $ 3,448,000