Accounting Policies - Accounting Policies (Detail Narrative)	12 Months Ended
	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)
Foreign currency transaction gains (losses) during period	$ 24,404	$ (75,041)
Allowance for doubtful accounts	$ 166,907	152,357
Weighted average intangible assets amortization period	10 years
Research and development costs during period	$ 752,000	750,000
Shipping costs during period	6,595,544	5,388,481
Advertising costs during period	$ 1,997,113	$ 1,934,250
Major Customer No. 1
Net sales to major customers	16.00%	14.00%
Major Customer No. 2
Net sales to major customers	11.00%	11.00%
Exceeded 10% of Consolidated Net Sales
Number of major customers	2	2
Minimum Range
Asset useful life	3 years
Maximum Range
Asset useful life	30 years