Note 10 - Loss on Lease Obligations (Details) - Loss on Lease Obligations (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 29, 2013	Jun. 30, 2012	Jun. 29, 2013	Jun. 30, 2012
New York [Member]
Note 10 - Loss on Lease Obligations (Details) - Loss on Lease Obligations [Line Items]
Liability Balance for Total Loss on Lease Obligations	$ 5,915	$ 7,585	$ 6,234	$ 7,871
Costs charged to expense	592	94	669	191
Costs paid or settled	(412)	(388)	(808)	(771)
Liability Balance for Total Loss on Lease Obligations	6,095	7,291	6,095	7,291
Properties Other Than The New York Office [Member]
Note 10 - Loss on Lease Obligations (Details) - Loss on Lease Obligations [Line Items]
Liability Balance for Total Loss on Lease Obligations	433	722	488	826
Costs charged to expense	3	11	11	21
Costs paid or settled	(58)	(114)	(121)	(228)
Liability Balance for Total Loss on Lease Obligations	378	619	378	619
Loss on Lease Obligation [Member]
Note 10 - Loss on Lease Obligations (Details) - Loss on Lease Obligations [Line Items]
Liability Balance for Total Loss on Lease Obligations	6,348	8,307	6,722	8,697
Costs charged to expense	595	105	680	212
Costs paid or settled	(470)	(502)	(929)	(999)
Liability Balance for Total Loss on Lease Obligations	$ 6,473	$ 7,910	$ 6,473	$ 7,910