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Note 2 - Summary of Significant Accounting Policies (Details) - Weighted Average Common Shares
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Weighted Average Common Shares [Abstract]    
Weighted average common shares outstanding -- basic 10,465,414us-gaap_WeightedAverageNumberOfSharesOutstandingBasic 10,393,956us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
Unvested shares of restricted stock 18,113us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements 54,955us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
Weighted average common shares and common share equivalents outstanding -- diluted 10,483,527us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding 10,448,911us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding
Average number of potentially dilutive securities excluded from calculation   10,000us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount