Quarterly report pursuant to Section 13 or 15(d)

8. Receivables (Details Narrative)

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8. Receivables (Details Narrative)
3 Months Ended
Mar. 31, 2018
Apr. 01, 2017
Sales Revenue, Net [Member] | Two customers    
Concentration percentage 10.00% 25.00%
Sales Revenue, Net [Member] | Three Customers [Member]    
Concentration percentage   10.00%
Trade Receivables [Member] | Two customers    
Concentration percentage 43.00%