Note 13 - Commitments and Contingencies (Details) (USD $)	1 Months Ended
	Mar. 19, 2012	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2012
Standby Letters of Credit [Member]
Note 13 - Commitments and Contingencies (Details) [Line Items]
Letters of Credit Outstanding, Amount		$ 0
LSI Virticus [Member] | Reversed [Member]
Note 13 - Commitments and Contingencies (Details) [Line Items]
Business Acquisition Contingent Consideration at Fair Value Including Accrued Interest			20,000
LSI Virticus [Member]
Note 13 - Commitments and Contingencies (Details) [Line Items]
Business Combination, Contingent Consideration, Liability	877,000		0	218,000
Liability Payment Period	5 years
Loss Contingency, Range of Possible Loss, Maximum		$ 3,000,000