NOTE 8 - CONTRACT ACCOUNTING (Tables)  | 
12 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||
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Dec. 31, 2016  | ||||||||||||||||||||||||||||||||||||||||||||||
| Contract Accounting [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||
| Costs and Estimated Earnings in Excess of Billings on Uncompleted Contracts | 
 At December 31, 2016 and 2015, costs and estimated earnings in excess of billings on uncompleted contracts consisted of the following: 
 
 
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| Billings in Excess of Costs and Estimated Earnings on Uncompleted Contracts | 
 At December 31, 2016 and 2015, billings in excess of costs and estimated earnings on uncompleted contracts consisted of the following: 
 
 
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| X | ||||||||||
- Definition Billings in Excess of Costs and Estimated Earnings on Uncompleted Contracts. No definition available. 
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| X | ||||||||||
- References No definition available. 
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| X | ||||||||||
- Definition Costs and Estimated Earnings in Excess of Billings on Uncompleted Contracts. No definition available. 
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