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Concentrations	12 Months Ended
	Dec. 31, 2020
Risks and Uncertainties [Abstract]
Concentrations	19. CONCENTRATIONS For the year ended December 31, 2020, 2019 and 2018, no customer accounted for greater than 10% of revenue. For the year ended December 31, 2020, 2019, and 2018, the Company’s top five customers accounted for 25%, 24% and 23% of the Company’s revenues, respectively. The Company’s top five accounts receivable accounted for 25% and 20% of accounts receivable as of December 31, 2020 and 2019, respectively. No customer each accounted for greater than 10% or more of accounts receivable as of December 31, 2020 and 2019. For the year ended December 31, 2020, 2019 and 2018, approximately 62%, 97% and 89%, respectively, of total inventory purchases were from five unrelated suppliers. Three suppliers each accounted for greater than 10% of total inventory purchases in 2020, two suppliers each accounted for greater than 10% of total inventory purchases in 2019 and 2018.

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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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