CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Cash flows from operating activities:
Net (loss) income	$ (297)us-gaap_NetIncomeLoss	$ 372us-gaap_NetIncomeLoss
Adjustments to reconcile net (loss) income to net cash used in operating activities:
Share-based compensation	126us-gaap_ShareBasedCompensation	135us-gaap_ShareBasedCompensation
Bad debt credit	0us-gaap_ProvisionForDoubtfulAccounts	(44)us-gaap_ProvisionForDoubtfulAccounts
Depreciation and amortization	379us-gaap_DepreciationAndAmortization	410us-gaap_DepreciationAndAmortization
Gain on sale of property, plant and equipment	0	(373)
Changes in assets and liabilities:
Accounts receivable	(1,576)	(1,272)
Inventory	(114)us-gaap_IncreaseDecreaseInInventories	(2)us-gaap_IncreaseDecreaseInInventories
Costs and estimated earnings in excess of billings on uncompleted contracts	862	939
Prepaid expenses and other current assets	103	82
Other assets	9	31
Accounts payable and accrued liabilities	(448)	(435)
Billings in excess of costs and estimated earnings on uncompleted contracts	634	111
Net cash used in operating activities	(322)	(46)
Cash flows from investing activities:
Purchases of property, plant and equipment	(179)	(245)
Proceeds from sale of property, plant and equipment	0	900
Cash paid for deposits	0us-gaap_PaymentsForOtherDeposits	(47)us-gaap_PaymentsForOtherDeposits
Repayments on notes receivable	9	16
Net cash (used in) provided by investing activities	(170)	624
Cash flows from financing activities:
Cash paid for purchase of our common stock	0	(125)
Proceeds from bank loan drawn for working capital purposes	1,000us-gaap_ProceedsFromBankDebt	0us-gaap_ProceedsFromBankDebt
Repayments of long-term debt	(162)us-gaap_RepaymentsOfLongTermDebt	(422)us-gaap_RepaymentsOfLongTermDebt
Net cash provided by (used in) financing activities	838	(547)
Change in cash	346	31
Cash, beginning of period	1,412us-gaap_Cash	5,260us-gaap_Cash
Cash, end of period	$ 1,758us-gaap_Cash	$ 5,291us-gaap_Cash

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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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Amount of cash inflow (outflow) of financing activities, excluding discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.

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Amount of cash inflow (outflow) from operating activities, excluding discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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Cash outflow related to other deposits not otherwise defined in the taxonomy.

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The net amount paid or received by the reporting entity associated with purchase (sale or collection) of loans receivable arising from the financing of goods and services.

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The cash outflow to reacquire common stock during the period.

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The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

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The cash inflow from bank borrowing during the year.

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The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.

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Amount of expense related to write-down of receivables to the amount expected to be collected. Includes, but is not limited to, accounts receivable and notes receivable.

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The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

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The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

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