Quarterly report pursuant to Section 13 or 15(d)

ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Narrative)

v3.8.0.1
ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Narrative) - USD ($)
3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Dec. 31, 2017
Dec. 31, 2016
Inventory reserves $ 330,000   $ 330,000  
Warranty reserve $ 175,000   $ 175,000 $ 175,000
Largest Vendors One [Member] | Accounts Payable [Member]        
Concentration risk 26.00% 75.00%    
Largest Vendors Two [Member] | Accounts Payable [Member]        
Concentration risk 7.00% 3.00%    
Largest Vendors Three [Member] | Accounts Payable [Member]        
Concentration risk 6.00% 3.00%    
Yanmar Engines Company [Member] | Cost of Sales [Member]        
Concentration risk 91.00% 13.00%    
Revenue[Member] | Verizon Wireless [Member]        
Concentration risk 27.00% 91.60%    
Revenue[Member] | AT&T [Member]        
Concentration risk 64.00% 0.00%    
Sales Backlog [Member] | International customers [Member]        
Concentration risk 2.00% 0.00%    
Sales Backlog [Member] | Customer Two [Member]        
Concentration risk 92.00% 92.00%    
Sales Backlog [Member] | Military customers [Member]        
Concentration risk 6.00% 5.00%    
Accounts Receivable [Member] | Verizon Wireless [Member]        
Concentration risk 20.00% 30.00%    
Accounts Receivable [Member] | AT&T [Member]        
Concentration risk 76.00% 59.00%    
Minimum [Member]        
Warrant term 1 year      
Maximum [Member]        
Warrant term 5 years