Condensed Consolidated Statements of Stockholders’ Equity (Unaudited) (Parentheticals)	3 Months Ended
Mar. 31, 2024 USD ($)
Statement of Stockholders' Equity [Abstract]
Issuance of common stock through underwritten offering, net of discounts and commissions and issuance costs	$ 3,300

Represent the amount of net of discounts and commissions and issuance cost.

No definition available.

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Namespace Prefix:	jspr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration