Quarterly report pursuant to Section 13 or 15(d)

REVENUE (Details)

v3.8.0.1
REVENUE (Details) - USD ($)
3 Months Ended
Mar. 31, 2018
Dec. 31, 2017
Contract Assets Balance $ 695,900 $ 692,400
Increase (decrease) in contract assets 3,500  
Billings In Excess of Costs [Member]    
Contract Liabilities Balance 213,900 227,300
Increase (decrease) in contract liabilities (13,400)  
Deferred Revenue [Member]    
Contract Liabilities Current Balance 325,400 304,200
Contract Liabilities Non-Current Balance 87,900 $ 113,100
Increase (decrease) in contract liabilities 21,200  
Increase (decrease) in contract liabilities - non current $ (25,200)