SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
Mar. 31, 2014	Dec. 31, 2013
Deferred Revenue [Abstract]
Deferred revenue under license agreements not yet executed or deemed effective	$ 6.9	$ 0
License Fee Agreement, Term of Agreement	6 years 4 months 24 days

The amount of deferred revenue as of the balance sheet date under license agreements that have not yet been executed or deemed effective.

No definition available.

Name:	panl_DeferredRevenueUnderLicenseAgreementsNotYetExecutedOrDeemedEffective
Namespace Prefix:	panl_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant