CONDENSED CONSOLIDATED STATEMENTS OF CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS' (DEFICIT) EQUITY - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Loss	Accumulated Deficit	Series A convertible preferred stock	Series B convertible preferred stock	Series C convertible preferred stock	Series D convertible preferred stock
Balance at Dec. 31, 2020	$ (54,781)	$ 1	$ 107,908	$ (1)	$ (162,689)
Balance, Shares at Dec. 31, 2020						57,758,734	12,500,000	37,528,581	31,740,554
Balance at Dec. 31, 2020						$ 16,176	$ 5,700	$ 16,759	$ 54,456
Balance, Shares at Dec. 31, 2020		521,052
Issuance of common stock upon exercise of stock options	17		17
Issuance of common stock upon exercise of stock options, Shares		3,773
Vesting of restricted common stock	4		4
Vesting of restricted common stock, Shares		10,202
Stock-based compensation expense	646		646
Issuance of Series D convertible preferred stock									$ 27,400
Issuance of Series D convertible preferred stock, Shares									15,870,209
Conversion of convertible preferred stock into common stock upon completion of initial public offering	120,491	$ 17	120,474
Conversion of convertible preferred stock into common stock upon completion of initial public offering, Shares						(57,758,734)	(12,500,000)	(37,528,581)	(47,610,763)
Conversion of convertible preferred stock into common stock upon completion of initial public offering						$ (16,176)	$ (5,700)	$ (16,759)	$ (81,856)
Conversion of convertible preferred stock into common stock upon completion of initial public offering, Shares		16,662,011
Issuance of common stock upon completion of initial public offering, net of commissions, underwriting discounts and offering costs	124,779	$ 7	124,772
Issuance of common stock upon completion of initial public offering, net of commissions, underwriting discounts and offering costs, Shares		7,662,000
Unrealized loss on available-for-sale securities	(20)			(20)
Net loss	(10,870)				(10,870)
Balance at Mar. 31, 2021	180,266	$ 25	353,821	(21)	(173,559)
Balance, Shares at Mar. 31, 2021		24,859,038
Balance at Dec. 31, 2021	141,689	$ 25	356,308	(132)	(214,512)
Balance, Shares at Dec. 31, 2021		24,951,983
Vesting of restricted common stock, Shares		4,573
Stock-based compensation expense	$ 842		842
Conversion of convertible preferred stock into common stock upon completion of initial public offering, Shares	16,662,011
Unrealized loss on available-for-sale securities	$ (395)			(395)
Net loss	(14,016)				(14,016)
Balance at Mar. 31, 2022	$ 128,120	$ 25	$ 357,150	$ (527)	$ (228,528)
Balance, Shares at Mar. 31, 2022	0
Balance, Shares at Mar. 31, 2022		24,956,556