Note 11 - Equity Incentive Plan

6 Months Ended

Jun. 30, 2021

Notes to Financial Statements

Share-based Payment Arrangement [Text Block]

11. Stock-Based Compensation

On June 16, 2021, the Company’s stockholders approved an amendment to the 2017 Plan. The amendment increased the number of shares of common stock reserved under the 2017 Plan by 1.1 million shares from 3.5 million shares to 4.6 million shares.

The Company presents the expenses related to stock-based compensation awards in the same expense line items as cash compensation paid to each of its employees as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2021		2020		2021		2020
Cost of revenue	$	214	$	216	$	343	$	362
Research and development		402		156		643		352
Selling, general and administrative		2,181		1,868		4,070		1,319
Total stock-based compensation expense	$	2,797	$	2,240	$	5,056	$	2,033