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Significant Accounting Policies (Details Textual) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011	Sep. 22, 2011	Mar. 09, 2012 NeuroDyne Company [Member]
Schedule of Significant Accounting Policies [Line Items]
Acquisition of assets and assumed certain liabilities	$ 538			$ 538
Significant Accounting Policies (Textual) [Abstract]
Settlement of all issues			226
Outstanding liability related to settlement	42
Allowance for uncollectible accounts receivable	1,784	1,680
Inventory finished goods	5,650
Inventory parts	825
Inventory supplies	889
Reserve for obsolete and damaged inventory	810	686
Open purchase commitments	$ 3,190

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Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities.

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Amount before last-in first-out (LIFO) and valuation reserves of merchandise or goods held by the entity that are readily available for sale.

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