Note 11 - Major Customers and Accounts Receivable	6 Months Ended
Jun. 30, 2021
Notes to Financial Statements
Concentration Risk Disclosure [Text Block]	*11.* MAJOR CUSTOMERS AND ACCOUNTS RECEIVABLE The Company had certain customers whose revenue individually represented 10% or more of the Company’s total revenue, or whose accounts receivable balances individually represented 10% or more of the Company’s total accounts receivable as follows: For net revenues, one customer accounted for 18% and 0%, a second customer accounted for 16% and 1%, a third customer accounted for 11% and 25% and a fourth customer accounted for 0% and 18% for the three months ended June 30, 2021 and 2020, respectively. For the six months ended June 30, 2021 and 2020, one customer accounted for 13% and 14%, a second customer accounted for 11% and 1%, while a third customer accounted for 11% and 30% of net revenues, respectively. At June 30, 2021, four customers accounted for 68% of accounts receivable. At December 31, 2020, three customers accounted for 72% of accounts receivable.

Note 11 - Major Customers and Accounts Receivable

6 Months Ended

Jun. 30, 2021

Concentration Risk Disclosure [Text Block]

11. MAJOR CUSTOMERS AND ACCOUNTS RECEIVABLE

The Company had certain customers whose revenue individually represented 10% or more of the Company’s total revenue, or whose accounts receivable balances individually represented 10% or more of the Company’s total accounts receivable as follows:

For net revenues, one customer accounted for 18% and 0%, a second customer accounted for 16% and 1%, a third customer accounted for 11% and 25% and a fourth customer accounted for 0% and 18% for the three months ended June 30, 2021 and 2020, respectively. For the six months ended June 30, 2021 and 2020, one customer accounted for 13% and 14%, a second customer accounted for 11% and 1%, while a third customer accounted for 11% and 30% of net revenues, respectively.

At June 30, 2021, four customers accounted for 68% of accounts receivable. At December 31, 2020, three customers accounted for 72% of accounts receivable.