Note 14 - Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2015

Fair Value Disclosures [Abstract]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

			Fair value measurements at reporting date using
	June 30, 2015		Quoted prices in active markets for identical assets (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)
Current assets:
Short-term investments	$	505	$	505
Other current assets (1)	$	669			$	669
Non-current assets:
Other assets (1)(2)	$	1,265			$	807	$	458
Current liabilities:
Other accrued liabilities (1)(3)	$	41			$	38	$	3
Non-current liabilities:
Other liabilities (1)(3)	$	57			$	47	$	10

			Fair value measurements at reporting date using
	December 31, 2014		Quoted prices in active markets for identical assets (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)
Current assets:
Short-term investments	$	759	$	759
Other current assets (1)	$	687			$	687
Non-current assets:
Other assets (1)(2)	$	1,330			$	885	$	445
Current liabilities:
Other accrued liabilities (1)	$	44			$	44
Non-current liabilities:
Other liabilities (1)	$	15			$	15