CONDENSED CONSOLIDATED BALANCE SHEETS (unaudited) (Parentheticals) (unaudited) (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
Class of Stock [Line Items]
Common stock	$ 383	$ 381

Dollar value of issued common stock whether issued at par value, no par or stated value. This item includes treasury stock repurchased by the entity. Note: elements for number of common shares, par value and other disclosure concepts are in another section within stockholders' equity.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 30
-Article 5

Name:	us-gaap_CommonStockValue
Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant