XML 35 R25.htm IDEA: XBRL DOCUMENT v3.7.0.1
COSTS AND ESTIMATED EARNINGS ON UNCOMPLETED CONTRACTS (Details Narrative) - USD ($)
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Contractors [Abstract]    
Decrease in gross profits due to change in contract estimates $ 1,275,000 $ 1,320,000