Annual report pursuant to Section 13 and 15(d)

Note 8 - Stock-based Compensation (Details Textual)

v3.19.2
Note 8 - Stock-based Compensation (Details Textual) - USD ($)
1 Months Ended 12 Months Ended
Jan. 18, 2019
Aug. 31, 2018
Aug. 31, 2017
Mar. 31, 2019
Apr. 01, 2018
Common Stock, Capital Shares Reserved for Future Issuance       556,000  
Share-based Payment Arrangement, Expense       $ 377,000 $ 539,000
Share-based Payment Arrangement, Amount Capitalized       $ 0  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period       0 0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value       $ 2,000  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value       $ 2,000  
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition       303 days  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period       41,726 20,604
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value       $ 246,000 $ 167,000
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total       261,000  
Share-based Payment Arrangement, Option [Member]          
Share-based Payment Arrangement, Expense       $ 73,000 $ 84,000
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period       2 years 2 years
Share-based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount       $ 47,000  
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition       198 days  
Share-based Payment Arrangement, Option [Member] | Non Employee Directors [Member]          
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period       2 years  
Restricted Stock [Member] | Non Employee Directors [Member]          
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period   28,000 28,000    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value   $ 151,000 $ 157,000    
Restricted Stock [Member] | Subsidiary CEO And President [Member]          
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period 25,000        
Share Base Compensation Arrangement by Share Based Payment Award Equity Instrument Other Than Options Grants in Period Total Grant Date Fair Value $ 5.86        
Performance Shares [Member]          
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period       2 years  
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition       3 years  
The 2014 Omnibus Equity Compensation Plan [Member] | Share-based Payment Arrangement, Option [Member] | Maximum [Member]          
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period       10 years