Description of Business and Summary of Significant Accounting Policies (Details Narrative) - USD ($)	3 Months Ended		12 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Net (loss) income	$ (264,045)	$ (217,940)
Accumulated deficit	10,446,823		$ 10,182,778
Allowance for doubtful accounts	9,200		9,200
Advertising and trade show expense	1,046	16,249
Research and development costs	$ 29,568	6,432
Percentage of minimum deposit for custom and large tank fill systems	50.00%
Percentage of restocking fees	15.00%
Customer deposits and unearned revenue	$ 307,145		245,907
Reserve for warranty work	10,543		8,834
Incerased amount of reserve for warranty work	$ 1,709
Income tax rate, description	On December 22, 2017, the Tax Cuts and Jobs Act of 2017 (the "Jobs Act") was signed into law making significant changes to the Internal Revenue Code. Changes include, but are not limited to, a United States corporate tax rate decrease from 35% to 21% effective for tax years beginning after December 31, 2017.
Effective tax rates	21.00%
Stock issued for employee compensation	$ 92,051	$ 25,000
Potentially dilutive shares included from dilutive earnings per share	68,386,823	62,164,296
Right of use assets	$ 612,447
Accounting Standards Update 2016-02 [Member]
Right of use assets	635,613
Additional liabilities	$ 635,613
Property, Equipment and Leasehold Improvements [Member] | Minimum [Member]
Property, plant and equipment, useful life	3 years
Property, Equipment and Leasehold Improvements [Member] | Maximum [Member]
Property, plant and equipment, useful life	5 years