Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income / (loss)	$ 877us-gaap_NetIncomeLoss	$ (392)us-gaap_NetIncomeLoss
Reconciliation to net cash provided by/(used in) operating activities:
Depreciation and amortization	147	479
Provision for doubtful accounts	76us-gaap_ProvisionForDoubtfulAccounts	(8)us-gaap_ProvisionForDoubtfulAccounts
Provision for warranty reserve	203emri_ProvisionForWarrantyReserve	30emri_ProvisionForWarrantyReserve
Provision for inventory reserve	559us-gaap_InventoryWriteDown	146us-gaap_InventoryWriteDown
Deferred taxes	27	(165)
Loss on sale of assets		30us-gaap_GainLossOnSaleOfOtherAssets
Annuity accrual release(note 8)	(704)emri_AnnuityAccrualRelease
Stock-based compensation expense	60us-gaap_ShareBasedCompensation	28us-gaap_ShareBasedCompensation
Loss on extinguishment of debt	279
Changes in assets and liabilities:
Accounts receivable	1,182	(187)
Inventories	(772)us-gaap_IncreaseDecreaseInInventories	1,042us-gaap_IncreaseDecreaseInInventories
Prepaid and other assets	318	767
Accounts payable and accrued expenses	1,075	301
Net cash provided by operating activities	3,327	2,071
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property, plant and equipment	(349)	(3,615)
Net cash used in investing activities	(349)	(3,615)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from issuance of debt	2,120us-gaap_ProceedsFromIssuanceOfDebt	2,177us-gaap_ProceedsFromIssuanceOfDebt
Net (repayments of)/borrowings from lines of credit	(403)	10
Repayments of long-term debt	(2,996)us-gaap_RepaymentsOfLongTermDebt	(1,017)us-gaap_RepaymentsOfLongTermDebt
Net cash (used in)/provided by financing activities	(1,279)	1,170
Effect of exchange rate changes on cash and cash equivalents	(512)	25
Net increase/(decrease)/ in cash and cash equivalents	1,187	(349)
Cash and cash equivalents at beginning of period	1,170	1,519
Cash and cash equivalents at end of period	2,357	1,170
Cash paid during the year for:
Interest	396us-gaap_InterestPaid	534us-gaap_InterestPaid
Income taxes	115us-gaap_IncomeTaxesPaidNet	383us-gaap_IncomeTaxesPaidNet
SUPPLEMENTAL DISCLOSURES OF NON-CASH INVESTING AND FINANCING ACTIVITIES:
Acquisition of equipment through capital leases	$ 667	$ 531

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