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Note 16 - Major Customers and Accounts Receivables	3 Months Ended
	Mar. 31, 2020
Notes to Financial Statements
Concentration Risk Disclosure [Text Block]	16. MAJOR CUSTOMERS AND ACCOUNTS RECEIVABLES For the three months ended March 31, 2020 and 2019, three customers accounted for 71% of revenues and two customers accounted for 56% of revenues, respectively. Two customers accounted for 37% of current accounts receivable as of March 31, 2020. At December 31, 2019, three customers accounted for  18%, 16% and 14% of current accounts receivable, respectively.

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- Definition

The entire disclosure for any concentrations existing at the date of the financial statements that make an entity vulnerable to a reasonably possible, near-term, severe impact. This disclosure informs financial statement users about the general nature of the risk associated with the concentration, and may indicate the percentage of concentration risk as of the balance sheet date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-URI http://asc.fasb.org/topic&trid=2134479

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- References

No definition available.

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