Amount of allowance for credit loss on accounts receivable.

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-Topic 944
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-Topic 210
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-Subparagraph (SX 210.5-02(4))
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-Topic 326
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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
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Represents the number of customers.

No definition available.