INVENTORIES (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Inventory [Line Items]
Raw materials	$ 6,538,000		$ 6,538,000		$ 7,696,000
Work-in-process	1,055,000		1,055,000		4,419,000
Finished goods	6,095,000		6,095,000		24,994,000
Inventories	13,688,000		13,688,000		37,109,000
Inventory consigned to customers	32,000		32,000		$ 1,000,000
Inventory write-downs	0	$ 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