Note 14 - Fair Value of Financial Instruments (Details) - Financial Instruments (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013	Sep. 30, 2013	Dec. 31, 2012
Financial Instruments [Abstract]
Cash and cash equivalents	$ 12,789	$ 1,031	$ 904	$ 17,823
Cash and cash equivalents	12,789	1,031
Notes receivable, current		8,450
Notes receivable, current		8,450
Notes receivable, noncurrent	13,416	13,668
Notes receivable, noncurrent	13,416	13,668
Line of credit		4,250
Line of credit		$ 4,250