Quarterly report pursuant to Section 13 or 15(d)

Related Party Transactions (Details)

v3.8.0.1
Related Party Transactions (Details) - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended 11 Months Ended 12 Months Ended
Jul. 15, 2011
Dec. 31, 2017
Sep. 30, 2017
Mar. 31, 2018
Sep. 30, 2017
Mar. 31, 2017
Aug. 31, 2017
Jul. 26, 2016
Dec. 05, 2016
Jul. 27, 2016
Jul. 16, 2011
Related Party Transaction [Line Items]                      
Property, plant and equipment, net   $ 195,029   $ 189,970              
Common stock issued   93,834,805   93,896,772              
Earn-out liability   $ 114   $ 114              
MasFlight                      
Related Party Transaction [Line Items]                      
Earn-out liability       10,000              
Wireless Maritime Services                      
Related Party Transaction [Line Items]                      
Related party, loan agreement, maximum borrowing capacity       6,400              
Interest rate   2.64%                  
Equity method investment, ownership percentage                   49.00%  
Related party revenue       200   $ 300          
Related party account receivable   $ 100                  
Santander                      
Related Party Transaction [Line Items]                      
Equity method investment, ownership percentage                   49.00%  
Related Party Transaction, Purchases from Related Party       1,400   $ 300          
Accounts Payable, Related Parties, Current   900   1,300              
Lumexis Corporation | PAR Investment Partners, L.P.                      
Related Party Transaction [Line Items]                      
Related party, loan agreement, maximum borrowing capacity       5,000              
Property, plant and equipment, net                 $ 200    
Gain on sale of assets       $ 100 $ 200            
Affiliated entity | PAR Investment Partners, L.P.                      
Related Party Transaction [Line Items]                      
Interest rate       15.00%              
Former officer | Row 44, Inc.                      
Related Party Transaction [Line Items]                      
Interest rate 6.00%                    
Common stock, subscriptions receivable $ 400 $ 600   $ 600              
Common stock issued                     223,893
TRIO Connect LLC | Emerging Markets Communications LLC                      
Related Party Transaction [Line Items]                      
Due from related parties               $ 800      
TRIO Connect LLC | Emerging Markets Communications LLC | Loans Made to Related Parties                      
Related Party Transaction [Line Items]                      
Related party loan receivable               6,500      
TRIO Connect LLC | Emerging Markets Communications LLC | Equipment Acquisitions and Service Fees                      
Related Party Transaction [Line Items]                      
Related party transaction             $ 400        
TRIO Connect LLC | Emerging Markets Communications LLC | Customer Orders and Inventory Expense                      
Related Party Transaction [Line Items]                      
Related party transaction     $ 400                
Trio Connect | Emerging Markets Communications LLC | Equipment Sales and Payroll Services                      
Related Party Transaction [Line Items]                      
Related party transaction               $ 5,700