v3.21.2

Stockholders' Equity - Stock Options and RSU Activity (Details) - $ / shares	9 Months Ended
	Sep. 30, 2021
Stockholders Equity [Line Items]
No. of options, Outstanding as of December 31, 2020	1,353,888
No. of options, Granted	1,668,297
No. of options, Exercised/Vested	(8,334)
No. of options, Forfeited	(183,230)
No. of options, Outstanding as of June 30, 2021	2,830,621
No. of options, Exercisable as of June 30, 2021	858,905
Weighted average grant date fair value, Balance at December 31, 2020	$ 3.82
Weighted average grant date fair value, Granted	1.56
Weighted average grant date fair value, Exercised/Vested	1.53
Weighted average grant date fair value, Forfeited	1.61
Weighted average grant date fair value, Balance at June 30, 2021	2.63
Weighted average grant date fair value, exercisable at June 30, 2021	$ 2.63
RSUs
Stockholders Equity [Line Items]
No. of options, Granted	1,370,167
No. of options, Exercised/Vested	(427,625)
No. of options, Outstanding as of June 30, 2021	942,542
Weighted average grant date fair value, Granted	$ 1.58
Weighted average grant date fair value, Exercised/Vested	1.50
Weighted average grant date fair value, Balance at June 30, 2021	$ 1.61
XpresTest RSAs
Stockholders Equity [Line Items]
No. of options, Outstanding as of December 31, 2020	28.75
No. of options, Granted	120.00
No. of options, Exercised/Vested	(141.25)
No. of options, Outstanding as of June 30, 2021	7.50
Weighted average grant date fair value, Balance at December 31, 2020	$ 11,390.35
Weighted average grant date fair value, Granted	5,227.20
Weighted average grant date fair value, Exercised/Vested	6,229.35
Weighted average grant date fair value, Balance at June 30, 2021	9,978.78
Minimum
Stockholders Equity [Line Items]
Exercise price range, Outstanding as of December 31, 2020	1.53
Exercise price range, Granted	1.19
Exercise price range, Outstanding as of March 31, 2021	1.19
Exercise price range, Exercisable as of March 31, 2021	1.19
Maximum
Stockholders Equity [Line Items]
Exercise price range, Outstanding as of December 31, 2020	2,460.00
Exercise price range, Granted	1.61
Exercise price range, Outstanding as of March 31, 2021	2,460.00
Exercise price range, Exercisable as of March 31, 2021	$ 2,460.00

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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