Organization, Consolidation and Presentation of Financial Statements (Tables)

3 Months Ended

Mar. 31, 2021

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Share-based Payment Arrangement, Expensed and Capitalized, Amount

The following table summarizes total stock-based compensation expense for each of the line items on our condensed consolidated statement of operations:

	Three Months Ended
	March 31, 2021		March 31, 2020
Cost of Sales
Product	$	110	$	154
Service	(44)		117
Total cost of sales	$	66	$	271
Operating Expenses
Selling, general and administrative	$	1,682	$	1,523
Research and development	346		382
Total operating expenses	$	2,028	$	1,905