Stock-Based Compensation - Schedule of Outstanding Options (Details)	9 Months Ended
	Sep. 30, 2021 $ / shares shares
Number of Shares
Beginning balance (in shares) | shares	9,500
Stock options exercised (in shares) | shares	4,750
Stock options canceled (in shares) | shares	3,250
Ending balance (in shares) | shares	1,500
Stock options exercisable (in shares) | shares	1,500
Weighted Average Exercise Price
Beginning balance (in usd per share) | $ / shares	$ 0.56
Stock options exercised (in usd per share) | $ / shares	0.56
Stock options canceled (in usd per share) | $ / shares	0.56
Ending balance (in usd per share) | $ / shares	0.56
Stock options exercisable (in usd per share) | $ / shares	$ 0.56