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Note 7 - Major Customer	12 Months Ended
	Dec. 31, 2020
Notes to Financial Statements
Concentration Risk Disclosure [Text Block]	7 .    Major Customer For the year ended December 31, 2020, the Company had two customers that accounted for approximately 47% and 14% of consolidated net sales from continuing operations. For the year ended December 31, 2019, those same two customers accounted for approximately 35% and 12% of consolidated net sales. At December 31, 2020 and December 31, 2019, the outstanding accounts receivable balance due from this customers were $804,000 and $1,168,000, 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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