Commitments	3 Months Ended
Mar. 31, 2019
Commitments [Abstract]
Commitments	18. Commitments Commitment for inventory purchase The Company entered into a two-year non-rolling stock surplus contract with the U.S. Government Defense Logistics Agency (the “DLA”) in December 2017 with the option to extend for up to four-years. Pursuant to the contract the performance period commenced in April 2018 and concludes in March 2020. The Company has committed to purchase between 150,000 and 245,900 units of property with an expected minimum value of $11,104,000 and up to $51,028,000 annually to the extent that goods are available from the DLA over the initial 12 month period relating to the purchase of inventory. At March 31, 2019, the Company has purchased $47,676,000 pursuant to the initial 12 month period of this contract which commenced in April 2018.

Commitments

3 Months Ended

Mar. 31, 2019

18. Commitments

Commitment for inventory purchase

The Company entered into a two-year non-rolling stock surplus contract with the U.S. Government Defense Logistics Agency (the “DLA”) in December 2017 with the option to extend for up to four-years. Pursuant to the contract the performance period commenced in April 2018 and concludes in March 2020.

The Company has committed to purchase between 150,000 and 245,900 units of property with an expected minimum value of $11,104,000 and up to $51,028,000 annually to the extent that goods are available from the DLA over the initial 12 month period relating to the purchase of inventory. At March 31, 2019, the Company has purchased $47,676,000 pursuant to the initial 12 month period of this contract which commenced in April 2018.