STOCK-BASED COMPENSATION (Tables)

3 Months Ended

Mar. 31, 2017

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Stock-Based Compensation Charged

For the three months ended March 31, 2017 and 2016, we recognized charges for stock-based compensation of US$ 0.8 million and US$ 0.8 million, respectively, presented as a component of selling, general and administrative expenses in our condensed consolidated statements of operations and comprehensive income / loss.

Schedule of Stock Options Activity

A summary of option activity for the three months ended March 31, 2017 is presented below:

	Shares	Weighted Average Exercise Price per Share		Weighted Average Remaining Contractual Term (years)	Aggregate Intrinsic Value
Outstanding at December 31, 2016	2,011,392	$	2.32	8.58	$	453
Granted	—	—
Expired	—	—
Outstanding at March 31, 2017	2,011,392	$	2.32	8.33	$	1,559
Vested and expected to vest	2,011,392	2.32		8.33	1,559
Exercisable at March 31, 2017	502,848	$	2.32	8.33	$	390

Schedule of Restricted Stock Unit Activity

The following table summarizes information about unvested RSU and PRSU as at March 31, 2017:

	Number of Shares / Units		Weighted Average Grant Date Fair Value
Unvested at December 31, 2016	2,542,625		$	2.61
Granted	600,684		3.10
Vested	(458,436	)	2.73
Unvested at March 31, 2017	2,684,873		$	2.70