Financial Liabilities (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Current liabilities:
Secured note	$ 2,896	$ 2,404
Acquisition debt note		418
Equipment financing liabilities	1,916	973
Bank loan	1,532	428
Bank line of credit	76	253
Mortgage loan payable to bank	57	56
Total current liabilities	6,477	4,532	[1]
Non-current liabilities:
Secured note	4,061	6,167
Equipment financing liabilities		1,619
Bank loan		1,284
Mortgage loan payable to bank	698	725
Total non-current liabilities	4,759	9,795	[1]
Total	$ 11,236	$ 14,327

[1] The condensed consolidated balance sheet has been derived from the audited consolidated financial statements at December 31, 2012 but does not include all the information and footnotes required by U.S. generally accepted accounting principles for complete financial statements.