Note 8 - Business Combination (Details) (USD $)	3 Months Ended		9 Months Ended			1 Months Ended		1 Months Ended		3 Months Ended	9 Months Ended			1 Months Ended			21 Months Ended	1 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	May 22, 2013 Earn-Out Shares [Member] Hego [Member]	Apr. 30, 2014 Common Stock [Member] Zxy Sport Tracking AS [Member]	Jul. 31, 2014 Common Stock [Member] WeatherOne Transaction [Member]	Nov. 30, 2014 Subsequent Event [Member] Hego [Member]	Apr. 30, 2014 After Maximum Earn-Out Acheived [Member] Zxy Sport Tracking AS [Member]	Sep. 30, 2014 Fair Value, Inputs, Level 3 [Member] Hego [Member]	Sep. 30, 2014 Fair Value, Inputs, Level 3 [Member] Hego [Member]	Sep. 30, 2014 Fair Value, Inputs, Level 3 [Member]	Dec. 31, 2013 Fair Value, Inputs, Level 3 [Member]	May 22, 2013 Cash [Member] Hego [Member]	Mar. 31, 2014 Hego [Member]	May 22, 2013 Hego [Member]	Sep. 30, 2014 Hego [Member]	Apr. 30, 2014 Zxy Sport Tracking AS [Member] Maximum [Member]	Apr. 30, 2014 Zxy Sport Tracking AS [Member] Minimum [Member]	Apr. 30, 2014 Zxy Sport Tracking AS [Member]	Jul. 31, 2014 WeatherOne Transaction [Member]
Note 8 - Business Combination (Details) [Line Items]
Business Combination, Consideration Transferred														$ 500,000		$ 24,600,000				$ 5,500,000
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in Shares)						1,374,545										12,200,000
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned					7,500,000	3,300,000										16,600,000
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability	3,776,000	878,000	4,176,000	933,000						3,800,000	4,200,000
Business Combination, Contingent Consideration, Liability										9,900,000	9,900,000	11,506,000	12,260,000
Stock Issued During Period, Shares, Other (in Shares)								3,327,114							2,772,599
Share Price (in Dollars per share)								$ 2.88							$ 2.34
Revenue Recognition, Milestone Method, Revenue Recognized																	33,000,000
Business Acquisition, Percentage of Voting Interests Acquired																				67.00%
Noncash or Part Noncash Acquisition, Noncash Financial or Equity Instrument Consideration, Warrants Issued (in Shares)																				549,818	337,870
Class of Warrant or Right, Value, Warrants Issued																				700,000	300,000
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right (in Shares)						1	1
Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per share)						$ 2.75															$ 2.78
Class of Warrant or Right, Expiration Period																				3 years	3 years
Business Combination Earn-out Percentage									7.50%											15.00%
Earn Out Payment																		3,000,000	110,000
Business Combination, Contingent Consideration Arrangement, Earn-out Payment																				1,500,000
Stock Issued During Period, Shares, New Issues (in Shares)																					1,126,228
Stock Issued During Period, Value, New Issues																					2,400,000
Payments to Acquire Businesses, Gross																					$ 600,000