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Supplemental Cash Flow Information	12 Months Ended
Supplemental Cash Flow Information	Dec. 31, 2017
Supplemental Cash Flow Information [Abstract]
Supplemental Cash Flow Information	SUPPLEMENTAL CASH FLOW INFORMATION Cash paid for state income taxes totaled $140,000 and $181,000 for the years ended December 31, 2018 and 2017, respectively. Foreign taxes withheld totaled $1,093,000 and $2,865,000 for the years ended December 31, 2018 and 2017, respectively. Refer to Note 4 for accrued foreign taxes payable. Refer to Note 6 for information regarding noncash investing activity related to the investment in Veritone for the periods presented.