Stockholders' Equity (Details)		9 Months Ended
	Sep. 03, 2021	Sep. 30, 2022 Vote $ / shares shares	Sep. 29, 2022 shares	Dec. 31, 2021 $ / shares shares
Shares of common stock reserved for issuance
Options issued and outstanding		2,319,071		2,464,803
Options available for grant under stock option plans		694,615		631,270
RSUs awards issued and outstanding		3,381,176		487,456
Warrants issued and outstanding		562,847		563,451
Total		7,074,160		4,185,269
Number of voting rights entitled for each share of common stock held | Vote		1
Reverse stock split ratio	33.33
2014 Plan
Shares of common stock reserved for issuance
Options issued and outstanding		2,318,948		2,348,076
Options available for grant under stock option plans		172,550		619,480
Minimum
Shares of common stock reserved for issuance
Reverse stock split ratio	0.5
Maximum
Shares of common stock reserved for issuance
Reverse stock split ratio	0.05
Inducement options issued and outstanding
Shares of common stock reserved for issuance
Options issued and outstanding		116,451		38,289
Blank check preferred stock
Shares of common stock reserved for issuance
Common stock, shares authorized		4,475,074
Common Stock
Shares of common stock reserved for issuance
Common stock, shares authorized		352,475,074
Common Stock | Common stock - voting
Shares of common stock reserved for issuance
Common stock, shares authorized		298,000,000	150,000,000	298,000,000
Common stock, par value (in dollars per share) | $ / shares		$ 0.0001		$ 0.0001
Common Stock | Common stock - non-voting
Shares of common stock reserved for issuance
Common stock, shares authorized		50,000,000		50,000,000
Common stock, par value (in dollars per share) | $ / shares		$ 0.0001		$ 0.0001
Convertible non-voting common stock
Shares of common stock reserved for issuance
Reverse stock split ratio		1