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Note 19 - Major Customers and Accounts Receivable	6 Months Ended
	Jun. 30, 2021
Notes to Financial Statements
Concentration Risk Disclosure [Text Block]	19. MAJOR CUSTOMERS AND ACCOUNTS RECEIVABLE For the three months ended June 30, 2021, and 2020, two customers accounted for 36% and one customer accounted for 41% of revenue, respectively. For the six months ended June 30, 2021, and 2020, two customers accounted for 34% and three customers accounted for 60% of revenue, respectively. Two customers accounted for 47%, and 19% of current accounts receivable, respectively as of June 30, 2021. At December 31, 2020, one customer accounted for 31% of current accounts receivable.

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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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