SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

6 Months Ended

Jun. 30, 2013

Accounting Policies [Abstract]

Activity of Allowance for Doubtful Accounts

The following table shows the activity of the allowance for doubtful accounts:

	June 30, 2013			December 31, 2012
	(in thousands)
Beginning balance	$	286		$	378
Charges to costs and expenses		54			(54	)
Accounts charged off, less recoveries		(130	)		(38	)
Ending balance	$	210		$	286

Inventories

Inventories are composed of the following:

	June 30, 2013		December 31, 2012
	(in thousands)
Raw materials	$	20,220	$	21,267
Work in progress		20,706		20,787
Finished goods		2,829		5,300
	$	43,755	$	47,354

Property and Equipment

Property and equipment consisted of the following:

	June 30, 2013			December 31, 2012
	(in thousands)
Land and land improvements	$	4,133		$	4,133
Buildings		30,428			30,364
Machinery, equipment and tooling		106,857			103,477
Leasehold improvements		7,696			7,696
Furniture and fixtures		941			941
Information systems		1,070			1,070
Construction in progress		16,674			17,712
Total cost		167,799			165,393
Accumulated depreciation and amortization		(51,459	)		(45,543	)
Property and equipment, net	$	116,340		$	119,850

Anti-Dilutive Securities Excluded From Calculation of Diluted Net Loss Per Share

At June 30, 2013 and 2012, the Company had the following anti-dilutive securities outstanding which were excluded from the calculation of diluted net loss per share:

	June 30, 2013		June 30, 2012
Warrants		133,718		177,153
Stock options		254,350		326,343
Total		388,068		503,496

Components of Comprehensive Income (Loss)

The following table summarizes the components of comprehensive income (loss):

	June 30, 2013			December 31, 2012
	(in thousands)
Unrealized (loss) gain on investments		(27	)		457
Unrealized loss on currency translation		(11	)		(10	)
Ending Balance	$	(38	)	$	447