Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 288us-gaap_Cash	$ 248us-gaap_Cash
Prepaid and other current assets	26	27
Current assets held for sale (note 2)	13,510us-gaap_AssetsHeldInTrustCurrent	14,727us-gaap_AssetsHeldInTrustCurrent
Total current assets	13,824us-gaap_AssetsCurrent	15,002us-gaap_AssetsCurrent
Non-current assets held for sale (note 2)	9,307us-gaap_AssetsHeldInTrustNoncurrent	9,853us-gaap_AssetsHeldInTrustNoncurrent
Total assets	23,131us-gaap_Assets	24,855us-gaap_Assets
Current liabilities:
Accounts payable	304us-gaap_AccountsPayableCurrent	115us-gaap_AccountsPayableCurrent
Accrued expenses	562us-gaap_AccruedLiabilitiesCurrent	235us-gaap_AccruedLiabilitiesCurrent
Current liabilities held for sale (note 2)	8,712emri_CurrentLiabilitiesHeldForSale	9,464emri_CurrentLiabilitiesHeldForSale
Total current liabilities	9,578us-gaap_LiabilitiesCurrent	9,814us-gaap_LiabilitiesCurrent
Long-term liabilities held for sale (note 2)	3,595emri_NonCurrentLiabilitiesHeldForSale	4,000emri_NonCurrentLiabilitiesHeldForSale
Total liabilities	13,173us-gaap_Liabilities	13,814us-gaap_Liabilities
Commitments and contingencies
Stockholders' equity:
Preferred stock, $0.01 par value. Authorized 10,000,000 shares, no shares issued or outstanding
Common stock, $0.0033 par value. Authorized 75,000,000 shares; 10,816,337 and 10,810,337 shares issued and outstanding at March 31, 2015 and December 31, 2014, respectively	128us-gaap_CommonStockValue	128us-gaap_CommonStockValue
Additional paid-in capital	44,277us-gaap_AdditionalPaidInCapital	44,265us-gaap_AdditionalPaidInCapital
Accumulated deficit	(31,223)	(31,047)
Accumulated other comprehensive loss	(3,224)	(2,305)
Total stockholders' equity	9,958us-gaap_StockholdersEquity	11,041us-gaap_StockholdersEquity
Total liabilities and stockholders' equity	$ 23,131	$ 24,855

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Non-Current Liabilities Held For Sale.

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Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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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. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

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Excess of issue price over par or stated value of the entity's capital stock and amounts received from other transactions involving the entity's stock or stockholders. Includes adjustments to additional paid in capital. Some examples of such adjustments include recording the issuance of debt with a beneficial conversion feature and certain tax consequences of equity instruments awarded to employees. Use this element for the aggregate amount of additional paid-in capital associated with common and preferred stock. For additional paid-in capital associated with only common stock, use the element additional paid in capital, common stock. For additional paid-in capital associated with only preferred stock, use the element additional paid in capital, preferred stock.

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Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold, or consumed within one year (or the normal operating cycle, if longer). Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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The amount of cash, securities, or other assets held by a third-party trustee pursuant to the terms of an agreement which assets are available to be used by beneficiaries to that agreement only within the specific terms thereof and which agreement is expected to terminate within one year of the balance sheet date (or operating cycle, if longer) at which time the assets held-in-trust will be released or forfeited.

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Represents the caption on the face of the balance sheet to indicate that the entity has entered into (1) purchase or supply arrangements that will require expending a portion of its resources to meet the terms thereof, and (2) is exposed to potential losses or, less frequently, gains, arising from (a) possible claims against a company's resources due to future performance under contract terms, and (b) possible losses or likely gains from uncertainties that will ultimately be resolved when one or more future events that are deemed likely to occur do occur or fail to occur.

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Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' equity.

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Sum of the carrying amounts as of the balance sheet date of all liabilities that are recognized. Liabilities are probable future sacrifices of economic benefits arising from present obligations of an entity to transfer assets or provide services to other entities in the future.

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Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any.

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Total obligations incurred as part of normal operations that are expected to be paid during the following twelve months or within one business cycle, if longer.

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Aggregate par or stated value of issued nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within stockholders' equity.

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The cumulative amount of the reporting entity's undistributed earnings or deficit.

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Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

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