Related Party Transactions (Tables)

6 Months Ended

Jun. 30, 2017

Schedule of Lease Amounts Paid to Related Parties

The lease amounts paid by the Company to the related parties, which are included in selling, general and administrative expenses during the three and six months ended June 30, 2017 and 2016, are detailed below (in thousands):

	Three Months Ended June 30,
Leased premises location	2017		2016
Foster City, CA	$	—	$	19
Edwardsville, IL		25		25
Total	$	25	$	44

	Six Months Ended June 30,
Leased premises location	2017		2016
Foster City, CA	$	—	$	76
Edwardsville, IL		50		49
Total	$	50	$	125