Stockholders' Equity - Stock Options and RSU Activity (Details)	6 Months Ended
	Jun. 30, 2022 $ / shares shares
Stockholders Equity [Line Items]
No. of options, Outstanding as of December 31, 2021 | shares	2,826,871
No. of options, Granted | shares	2,200,338
No. of options, Forfeited | shares	(245,027)
No. of options, Expired | shares	(25,209)
No. of options, Outstanding as of June 30, 2022 | shares	4,756,973
No. of options, Exercisable as of June 30, 2022 | shares	1,870,531
Weighted average grant date fair value, Balance at December 31, 2021	$ 2.57
Weighted average grant date fair value, Granted	1.51
Weighted average grant date fair value, Forfeited	1.55
Weighted average grant date fair value, Expired	1.58
Weighted average grant date fair value, Balance at June 30, 2022	2.13
Weighted average grant date fair value, Exercisable at June 30, 2022	$ 2.87
RSUs
Stockholders Equity [Line Items]
No. of options, Outstanding as of December 31, 2021 | shares	600,000
No. of options, Granted | shares	156,250
No. of options, Exercised/Vested | shares	(678,125)
No. of options, Outstanding as of June 30, 2022 | shares	78,125
Weighted average grant date fair value, Balance at December 31, 2021	$ 1.63
Weighted average grant date fair value, Granted	1.28
Weighted average grant date fair value, Exercised/Vested	1.59
Weighted average grant date fair value, Balance at June 30, 2022	$ 1.28
XpresTest RSAs
Stockholders Equity [Line Items]
No. of options, Granted | shares	15
No. of options, Outstanding as of June 30, 2022 | shares	15
Weighted average grant date fair value, Granted	$ 56,890
Weighted average grant date fair value, Balance at June 30, 2022	56,890
Minimum [Member]
Stockholders Equity [Line Items]
Exercise price range, Outstanding as of December 31, 2021	1.19
Exercise price range, Granted	0.78
Exercise price range, Forfeited	1.43
Exercise price range, Expired	1.53
Exercise price range, Outstanding as of June 30, 2022	0.78
Exercise price range, Exercisable as of June 30, 2022	0.78
Maximum [Member]
Stockholders Equity [Line Items]
Exercise price range, Outstanding as of December 31, 2021	2,460.0
Exercise price range, Granted	1.64
Exercise price range, Forfeited	3.82
Exercise price range, Expired	1.61
Exercise price range, Outstanding as of June 30, 2022	2,460.0
Exercise price range, Exercisable as of June 30, 2022	$ 2,460.0