Document and Entity Information - shares	9 Months Ended
	Sep. 30, 2016	Nov. 14, 2016
Entity Registrant Name	LEAP TECHNOLOGY INC / DE
Entity Central Index Key	0000110027
Current Fiscal Year End Date	--12-31
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Smaller Reporting Company
Document Fiscal Year Focus	2016
Document Fiscal Period Focus	Q3
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Sep. 30, 2016
Class A Common Stock [Member]
Entity Common Stock, Shares Outstanding		65,195,909
Class B Common Stock [Member]
Entity Common Stock, Shares Outstanding		25,000