Note 8 - Business Combinations (Details) (USD $)	3 Months Ended		3 Months Ended	1 Months Ended
	Mar. 31, 2014	May 22, 2013 Earn-Out Shares [Member] Hego [Member]	Mar. 31, 2014 Hego [Member] Fair Value, Inputs, Level 3 [Member]	Mar. 31, 2014 Hego [Member]	May 22, 2013 Hego [Member]	May 22, 2013 Hego [Member] Cash [Member]	Mar. 31, 2014 Fair Value, Inputs, Level 3 [Member]	Dec. 31, 2013 Fair Value, Inputs, Level 3 [Member]
Note 8 - Business Combinations (Details) [Line Items]
Business Combination, Consideration Transferred					$ 24,600,000	$ 500,000
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in Shares)					12,200,000
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned		7,500,000			16,600,000
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability	2,556,000		2,600,000
Business Combination, Contingent Consideration, Liability			$ 8,300,000				$ 8,328,000	$ 12,260,000
Stock Issued During Period, Shares, Other (in Shares)				2,772,598
Share Price (in Dollars per share)				$ 2.34