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7. Leases (Tables)
3 Months Ended
Mar. 31, 2019
Leases [Abstract]  
Schedule of lease expense and sublease income
   

Three months ended

March 31,

2019

 
Operating lease expense   $ 181  
Short term lease expense     41  
Variable lease expense     32  
Sub lease income     (17 )
Total lease cost   $ 237  

Supplemental non-cash flow information related to right-of-use asset and lease liabilities
 Accretion of the lease liability   $ 40  
         
Amortization of right-of-use assets   $ 141  

 

Weighted Average Remaining Lease Term Operating Leases 2.0 years
Weighted Average Discount Rate Operating Leases     14.7%

 

Maturities of operating lease liabilities
Twelve months ended March 31,   Operating leases  
2020   $ 713  
2021     320  
2022     194  
Total lease payments   $ 1,227  
Less imputed interest     (161 )
Total operating lease liability   $ 1,066