CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
CONSOLIDATED STATEMENTS OF OPERATIONS
License revenue	$ 1,500	$ 1,500
Operating expenses:
Research and development	32,160	20,423
General and administrative	10,766	9,616
Total operating expenses	42,926	30,039
Loss from operations	(41,426)	(28,539)
Interest income	9	93
Interest expense	(41)	(39)
Australian research and development incentives	1,226	231
Foreign currency gains(losses)	(379)	738
Loss before income taxes	(40,611)	(27,516)
Income taxes	24	2
Net loss	(40,587)	(27,514)
Dividend attributable to down round feature of warrants		(303)
Dividend attributable to Series A & B convertible preferred stock		(372)
Series A & B convertible preferred stock - beneficial conversion feature		(9,399)
Net loss attributable to common stockholders	$ (40,587)	$ (37,588)
Net loss per share
Basic (in dollars per share)	$ (0.47)	$ (0.63)
Diluted (in dollars per share)	$ (0.47)	$ (0.63)
Weighted average common shares outstanding
Basic (in shares)	85,825,283	59,327,713
Diluted (in shares)	85,825,283	59,327,713

Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities.

No definition available.

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

- Definition

Amount of a favorable spread to a preferred stock holder between the amount of preferred stock being converted and the value of the securities received upon conversion. This is an embedded conversion feature of convertible preferred stock issued that is in-the-money at the commitment date.

+ References

No definition available.