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Short-Term Line of Credit (Details Narrative) - USD ($)
1 Months Ended
May 31, 2017
Mar. 31, 2018
Dec. 31, 2017
Aggregate amount of revolving line of credit   $ 250,000 $ 250,000
Annual interest rate of loan     5.00%
New Agreement [Member] | Harris Bank [Member]      
Aggregate amount of revolving line of credit $ 3,000,000    
Eligible percentage of domestic accounts receivable 75.00%    
Percentage of foreign accounts receivable of inventory 40.00%    
Annual interest rate of loan 5.00%