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Major Customers Accounted for at Least 10% of Total Revenues (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Ingram Micro Inc.
Percent of total revenues	41.00%	33.00%	42.00%	32.00%
BlueStar, Inc.
Percent of total revenues	18.00%	22.00%	19.00%	22.00%
ScanSource, Inc.
Percent of total revenues		10.00%		10.00%

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