INVENTORIES (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Inventory [Line Items]
Raw materials	$ 7,053,000		$ 7,053,000		$ 7,696,000
Work-in-process	1,888,000		1,888,000		4,419,000
Finished goods	8,028,000		8,028,000		24,994,000
Inventories	16,969,000		16,969,000		37,109,000
Inventory consigned to customers	1,000,000		1,000,000		$ 1,000,000
Inventory write-downs	33,000,000	$ 0	$ 33,000,000	$ 0
work in process [Member]
Inventory [Line Items]
Inventory write-downs	22,900,000
finished goods [Member]
Inventory [Line Items]
Inventory write-downs	$ 10,100,000