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Note 3 - Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2012

Fair Value, Assets Measured on Recurring Basis [Table Text Block]

	June 30, 2012			Level 1			Level 2			Level 3
Assets:
Cash equivalents		$	1,047		$	1,047		$	—		$	—
Short-term investments			491			491			—			—
Restricted short-term investments			1,000			1,000
Total assets at fair value		$	2,538		$	2,538		$	—		$	—

	December 31, 2011			Level 1			Level 2			Level 3
Assets:
Cash equivalents		$	310		$	310		$	—		$	—
Short-term investments			1,225			1,225			—			—
Total assets at fair value		$	1,535		$	1,535		$	—		$	—

- Definition

Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3).

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