Note 11 - Subsequent Event	6 Months Ended
Jul. 04, 2015
Subsequent Events [Abstract]
Subsequent Events [Text Block]	11. Subsequent Event The Company has a $10 million share repurchase program that was announced in February 2015 (the February 2015 Share Repurchase Program). On July 7, 2015, the Board of Directors of the Company (the Board) left the February 2015 Share Repurchase Program in place and adopted a new repurchase program which authorizes the Company to repurchase up to an additional $10 million of its common stock until March 31, 2016, subject to further extension by the Board. In the period from July 4, 2015 through August 7, 2015, the Company repurchased approximately 5,800 shares of its common stock for an aggregate amount of $91,000, leaving $10.7 million of availability under the Board approved share repurchase programs.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

No definition available.

Name:	us-gaap_SubsequentEventsTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration