COMMITMENTS AND CONTINGENCIES - Contractual Commitments (Details) $ in Thousands	Dec. 31, 2015 USD ($)
Operating leases
Total	$ 2,671
Less than 1 year	1,026
1-3 years	1,645
3-5 years	0
More than 5 years	0
Purchase order commitments
Purchase order commitments	596
Less than 1 year	258
1-3 years	338
3-5 years	0
More than 5 years	0
Total
Total	65,031
Less than 1 year	7,589
1-3 years	8,358
3-5 years	47,696
More than 5 years	1,388
Note payable
Other Commitments
Total	53,073
Less than 1 year	2,070
1-3 years	4,140
3-5 years	46,863
More than 5 years	0
Sales support services
Other Commitments
Total	3,470
Less than 1 year	312
1-3 years	937
3-5 years	833
More than 5 years	1,388
Product supply contracts
Other Commitments
Total	5,221
Less than 1 year	3,923
1-3 years	1,298
3-5 years	0
More than 5 years	$ 0