XML 27 R15.htm IDEA: XBRL DOCUMENT v3.2.0.727
Note 3 - Stock-based Compensation Plans and Warrants (Details Textual) - USD ($)
1 Months Ended 6 Months Ended 12 Months Ended
Jan. 10, 2011
Jan. 14, 2010
Jun. 30, 2014
Dec. 18, 2009
Jun. 30, 2015
Jun. 30, 2014
Dec. 31, 2014
Two Thousand Nine Equity Incentive Plan [Member] | Employee Stock Option [Member]              
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period       10 years      
Two Thousand Nine Equity Incentive Plan [Member] | Restricted Stock [Member]              
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized         162,500    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures 140,000 115,000          
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant 595,000            
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period         11,850    
Two Thousand Nine Equity Incentive Plan [Member] | Common Stock [Member]              
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number         507,500    
Two Thousand Nine Equity Incentive Plan [Member] | Director [Member]              
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period         42,265    
Two Thousand Nine Equity Incentive Plan [Member]              
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized       850,000      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period     45,235        
Twenty Fourteen Equity Incentive Plan [Member] | Restricted Stock Units (RSUs) [Member] | Water Project [Member]              
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized         200,000    
Twenty Fourteen Equity Incentive Plan [Member] | Restricted Stock Units (RSUs) [Member]              
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period         65,000    
Twenty Fourteen Equity Incentive Plan [Member] | Accrues Yearly [Member] | Outside Director [Member]              
Officers' Compensation         $ 30,000    
Allocated Share-based Compensation Expense         20,000    
Twenty Fourteen Equity Incentive Plan [Member] | Accrues Quarterly [Member] | Outside Director [Member]              
Officers' Compensation         7,500    
Allocated Share-based Compensation Expense         $ 5,000    
Twenty Fourteen Equity Incentive Plan [Member]              
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized         675,000    
Employee Stock Option [Member]              
Allocated Share-based Compensation Expense         $ 0 $ 0  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period         0    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number         507,500    
Allocated Share-based Compensation Expense         $ 510,000   $ 61,000
Number Of Equity Incentive Plans         $ 2    
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period         66,627