Note 3 - Stock-Based Compensation (Details) - Common Stock Unit Activity (USD $)	6 Months Ended
Jun. 30, 2014	Dec. 31, 2013
Common Stock Unit Activity [Abstract]
Shares	39,986	53,324
Weighted Average Grant Date Fair Value	$ 1.37	$ 1.37
Vested	(13,338)
Vested	$ 1.37

Weighted average grant-date fair value of non-vested options outstanding.

No definition available.

Name:	us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant