CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018
Cash Flows From Operating Activities
Net Loss	$ (363)	$ (391)
Adjustments to Reconcile Net Loss to Net Cash Provided by (Used in) Operating Activities
Depreciation and Amortization	570	561
Compensation on Stock-Based Awards	160	20
Deferred Taxes		(1)
Change in Accounts Receivable Allowance	24
Change in Inventory Reserves	51	183
Changes in Current Operating Items
Accounts Receivable	(3,001)	(762)
Inventories	985	229
Contract Assets	(2,154)	308
Prepaid Expenses and Other Current Assets	(819)	81
Accounts Payable	3,209	317
Accrued Payroll and Commissions	(611)	(579)
Other Accrued Liabilities	511	576
Net Cash (Used in) Provided by Operating Activities	(1,438)	542
Cash Flows from Investing Activities
Purchase of Intangible Asset		(4)
Purchases of Property and Equipment	(396)	(288)
Net Cash Used in Investing Activities	(396)	(292)
Cash Flows from Financing Activities
Net Change in Line of Credit	2,030	146
Principal Payments on Long-Term Debt	(328)	(222)
Principal Payments on Finance Leases	(65)
Principal Payments on Finance Leases		(82)
Share Repurchases	(13)	(126)
Net Cash Provided by (Used in) Financing Activities	1,624	(284)
Effect of Exchange Rate Changes on Cash		46
Net Change in Cash	(210)	12
Cash - Beginning of Period	947	779
Cash - Ending of Period	737	791
Reconciliation of cash and restricted cash reported within the condensed consolidated balance sheets
Cash	310	466
Restricted Cash	427	325
Cash - Ending of Period	737	791
Supplemental Disclosure of Cash Flow Information:
Cash Paid During the Period for Interest	224	139
Supplemental Noncash Investing and Financing Activities:
Property and Equipment Purchases in Accounts Payable	$ 78	$ 68

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Future cash outflow to pay for purchases of fixed assets that have occurred.

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Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.

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Amount of cash outflow for principal payment on finance lease.

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No definition available.

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Name:	us-gaap_SupplementalCashFlowInformationAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration