Summary of Significant Accounting Policies - Potentially Dilutive Securities Excluded from Calculation of Diluted Net Loss per Share Due to Anti-Dilutive Effect (Parenthetical) (Details) - $ / shares	3 Months Ended			6 Months Ended			12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021		Jun. 30, 2022	Jun. 30, 2021		Dec. 31, 2012
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Issued warrant to purchase common stock, amount	7,859	8,001		7,859	8,001
Warrants to Purchase Common Stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Warrant term							10 years
Issued warrant to purchase common stock, amount		150	[1]		150	[1]	150,000
Issued warrant to purchase common stock, exercise price							$ 20.00

[1] In 2012, the Company issued a warrant with a ten-year term to purchase 150,000 shares of its common stock at an exercise price of $20.00 per share. The warrant was exercised in January 2022.