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Borrowings (Tables)
 12 Months Ended
Dec. 31, 2020
Financial Instruments [Abstract]  
Net finance expense
Net finance expense for the fiscal year ended December 31, 2020 and 2019 is comprised of:
20202019
$$
Interest and accretion expense on secured debentures— 313 
Interest expense on convertible promissory notes— 74 
Interest on lease obligations358 278 
Interest on credit facility76 88 
Interest income(317)— 
Bank fees and other13 43 
130 796