Income Taxes (Deferred Tax Assets) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Current:
Accrued Expenses	$ 705	$ 229
Inventory Allowance	427	355
Total Current	1,132	584
Non-current:
Stock Based Compensation-Stock Options and Restricted Stock	1,332	1,209
Tax effect of NOL carryforward	27,027	14,359
Depreciation	25,336	29,019
Amortization	(334)	(190)
Warranty reserve	18	14
Total Non-current	53,379	44,411
Net deferred tax asset	54,511	44,995
Less valuation allowance	(54,511)	(44,995)
Net deferred tax asset	$ 0	$ 0