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Note 5 - Intangible Assets, net (Details)			3 Months Ended		9 Months Ended
	Apr. 24, 2013 USD ($)	Aug. 31, 2011 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2018 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2018 USD ($)	Dec. 31, 2018 USD ($)
Note 5 - Intangible Assets, net (Details) [Line Items]
Amortization of Intangible Assets			$ 305,028	$ 101,676	$ 305,028	$ 101,676
Customer Relationships [Member]
Note 5 - Intangible Assets, net (Details) [Line Items]
Finite-Lived Intangible Assets, Gross			6,150,559		6,150,559		$ 6,150,559
Trademarks [Member]
Note 5 - Intangible Assets, net (Details) [Line Items]
Finite-Lived Intangible Assets, Gross			$ 200,000		$ 200,000		$ 200,000
Diamond Bar [Member] | Customer Relationships [Member]
Note 5 - Intangible Assets, net (Details) [Line Items]
Finite-Lived Intangible Assets, Gross		$ 50,000
Finite-Lived Intangible Assets, Amortization Method		straight-line method
Diamond Bar [Member] | Trademarks [Member]
Note 5 - Intangible Assets, net (Details) [Line Items]
Number of trademarks acquired		2
Payments to Acquire Intangible Assets		$ 200,000
Finite-Lived Intangible Assets, Amortization Method		straight-line method
Finite-Lived Intangible Asset, Useful Life		5 years
Bright Swallow International Group Limited [Member] | Customer Relationships [Member]
Note 5 - Intangible Assets, net (Details) [Line Items]
Finite-Lived Intangible Assets, Amortization Method	straight-line method
Finite-Lived Intangible Asset, Useful Life	15 years
Finite-lived Intangible Assets, Fair Value Disclosure	$ 6,100,559

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The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Fair value portion of assets, excluding financial assets, that lack physical substance, having a limited useful life.

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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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The cash outflow to acquire asset without physical form usually arising from contractual or other legal rights, excluding goodwill.

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