Note 3 - Goodwill and Intangible Assets (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
Jun. 29, 2013
Goodwill and Intangible Assets Disclosure [Abstract]
Finite-Lived Intangible Assets, Annaul Amortization Expense, Current Fiscal Year to Year Five	$ 1.5

Amount of amortization expense expected to be recognized each year during the current fiscal year and next four years assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

No definition available.

Name:	hamp_FiniteLivedIntangibleAssetsAnnualAmortizationExpenseCurrentFiscalYearToYearFive
Namespace Prefix:	hamp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration