| 6. |
INVENTORY |
| December 31, 2017 | December 31, 2016 | ||||||
| Finished goods | $ | 256,185 | $ | 218,128 | |||
| Raw materials and supplies | 3,724,058 | 4,988,001 | |||||
| $ | 3,980,243 | $ | 5,206,129 |
Included in cost of goods sold is $3,376,123 (2016 - $4,642,761 ; 2015 - $10,595,521) of direct material costs recognized as expense.
Inventory write-off during the year was $668,383 (2016 - $nil ; 2015 - $nil) of which $470,654 ( 2016 - $nil ; 2015 - $nil) is included in cost of goods sold and $197,729 (2016 - $nil ; 2015 - $nil) is included in general and administrative expenses.