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Summary of Significant Accounting Policies (Details 1) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2012
Dec. 31, 2011
Assets:    
Cash $ 105 $ 382
Accounts receivable, net 194 2,065
Inventory, net 245 3,480
Other current assets 14 116
Total current assets 558 6,043 [1]
Restricted cash 510 0
Property, plant & equipment, net 4 24
Intangible assets, net 0 813
Other assets 0 4
Total assets 1,072 6,884
Liabilities:    
Accounts payable 36 387
Accrued liabilities 43 967
Accrued warranty 0 234
Deferred revenue 0 1,075
Total liabilities $ 79 $ 2,663
[1] Derived from the audited consolidated financial statements included in the annual report filed on Form 10-K with the SEC for the year ended December 31, 2011.