The following table presents the changes in non-cash working capital items.



	2015 $	2014 $		2013 $
Trade and other receivables	1,176	(3,930	)	(1,196	)
Other current assets	(4,708)	(414)		(725)
Accounts payable and accrued liabilities	11,097	6,010		2,314
	7,565	1,666		393

The following table provides supplemental disclosure of non-cash investing and financing activities.



	2015 $	2014 $	2013 $
Acquired property and equipment remaining unpaid	1,295	853	—
Acquired intangibles assets remaining unpaid	—	250	—
Capitalized stock-based compensation	362	79	26
Non-cash acquisitions of businesses	—	—	404