Quarterly report pursuant to Section 13 or 15(d)

Note 3 - Revenue Disclosures - Revenue Related to Performance Obligations 2 (Details)

v3.19.1
Note 3 - Revenue Disclosures - Revenue Related to Performance Obligations 2 (Details)
$ in Thousands
Mar. 31, 2019
USD ($)
Revenue expected to be recognized $ 14,333
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2019-04-01  
Remaining Performance Obligation, Expected Timing of Satisfaction (Year) 1 year
Revenue expected to be recognized $ 1,894
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-01-01  
Remaining Performance Obligation, Expected Timing of Satisfaction (Year) 1 year
Revenue expected to be recognized $ 2,517
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-01-01  
Remaining Performance Obligation, Expected Timing of Satisfaction (Year) 1 year
Revenue expected to be recognized $ 2,392
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-01-01  
Remaining Performance Obligation, Expected Timing of Satisfaction (Year) 1 year
Revenue expected to be recognized $ 1,969
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-01-01  
Remaining Performance Obligation, Expected Timing of Satisfaction (Year) 1 year
Revenue expected to be recognized $ 1,494
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-01-01  
Remaining Performance Obligation, Expected Timing of Satisfaction (Year) 1 year
Revenue expected to be recognized $ 4,067