CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands		Total		Common Stock	Noncontrolling Interest in Subsidiaries	Additional Paid-In Capital	Accumulated Other Comprehensive Income/(Loss)	Accumulated Deficit
Balances at Dec. 31, 2019	[1]	$ 97,865		$ 2	$ 864	$ 138,543	$ (4)	$ (41,540)
Balances, shares at Dec. 31, 2019	[1]			18,738,734
Issuance of common stock equivalents net of issuance costs of $213	[1]	14,037				14,037
Issuance of common stock equivalents net of issuance costs, shares	[1]			1,297,700
Unrealized gain/(loss) on investments		30					30
Net income/(loss)		(5,163)			(190)			(4,973)
Balances at Mar. 31, 2020		106,769		$ 2	674	152,580	26	(46,513)
Balances, shares at Mar. 31, 2020				20,036,434
Balances at Dec. 31, 2020	[1]	200,314	[2]	$ 3	1,304	292,348	(2)	(93,339)
Balances, shares at Dec. 31, 2020	[1]			29,831,125
Initial public offering net of issuance costs of $22,870		264,516		$ 1		264,515
Initial public offering net of issuance costs, shares				13,685,000
Stock based compensation		3,508			5	3,503
Unrealized gain/(loss) on investments		(58)					(58)
Net income/(loss)		1,419			1,489			(70)
Balances at Mar. 31, 2021		$ 469,699		$ 4	$ 2,798	$ 560,366	$ (60)	$ (93,409)
Balances, shares at Mar. 31, 2021				43,516,125

[1] The consolidated balance sheets as of December 31, 2019 and 2020 are derived from the audited consolidated financial statements as of those dates and were retroactively adjusted, including shares and per share amounts, as a result of the Reorganization and Reverse Stock Split. Changes in stockholders’ equity for the three months ended March 31, 2020 were also retroactively adjusted, including shares and per share amounts, as a result of the Reorganization and Reverse Stock Split. See Note 3 to the consolidated financial statements for additional details.

[2] The consolidated balance sheet as of December 31, 2020 is derived from the audited consolidated financial statements as of that date and was retroactively adjusted, including shares and per share amounts, as a result of the Reorganization and Reverse Stock Split. See Note 3 to the consolidated financial statements for additional details.