Stockholders' Equity (Details)		6 Months Ended
	Sep. 03, 2021	Jun. 30, 2022 Vote shares	Dec. 31, 2021 shares
Shares of common stock reserved for issuance
Options issued and outstanding		2,319,718	2,464,803
Options available for grant under stock option plans		697,974	631,270
RSUs awards issued and outstanding		3,376,086	487,456
Warrants issued and outstanding		563,451	563,451
Total		7,074,762	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		2,319,595	2,348,076
Options available for grant under stock option plans		119,464	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		117,533	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		204,475,074
Common Stock | Common stock - voting
Shares of common stock reserved for issuance
Common stock, shares authorized		150,000,000	150,000,000
Common Stock | Common stock - non-voting
Shares of common stock reserved for issuance
Common stock, shares authorized		50,000,000	50,000,000
Convertible non-voting common stock
Shares of common stock reserved for issuance
Reverse stock split ratio		1