Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies (Details)

v3.19.1
Summary of Significant Accounting Policies (Details) - USD ($)
 3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Dec. 31, 2018
Summary of Significant Accounting Policies (Textual)      
Percentage of acquired assets and assumed liabilities 100.00%    
Cash balances were in foreign bank accounts and uninsured $ 170,000   $ 204,000
Allowance for doubtful accounts 603,000   658,000
Inventory reserve for obsolescence 293,000   212,000
Deferred debt issuance costs totaling 78,926   92,080
Amortization of deferred debt issuance costs $ 18,257 $ 3,308  
Equity method interest, percentage 50.00%    
Aggregate investment in two joint venture entities $ 75,000   75,000
Advertising costs $ 1,282,000 $ 841,000  
Estimated annual effective tax rate 26.50%    
Tax benefit amount realized upon settlement, percentage 50.00%    
Revenue percentage 0.50% 0.50%  
Liability for returns included in accrued expenses $ 464,000   460,000
Other current assets $ 285,000   285,000
Total order cost, percentage 50.00%    
Customer deposits $ 2,700,000   $ 3,200,000
Airgraft Inc. [Member]      
Summary of Significant Accounting Policies (Textual)      
Equity method interest, percentage 1.71%