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REVENUE - Impact of New Revenue Guidance on Financial Statement Line Items (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2017
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS
Net Sales	$ 26,447
Cost of Goods Sold	23,419	$ 25,226
Gross Profit	3,028	3,092
Loss from Operations	(120)	121
Loss Before Income Taxes	(292)	(19)
Income tax Expense	99	(4)
Net Loss	$ (391)	$ (15)
Loss Per Common Share Basic and Diluted	$ (0.14)	$ (0.01)
Assets
Inventories	$ 13,037		$ 18,527	[1]
Contract Asset	6,151		6,459
Shareholders' Equity
Retained Earnings	4,880		$ 3,889	[1]
CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS
Net Loss	(391)	$ (15)
Change in Current Operating Items
Inventories	229	(1,161)
Contract Assets	308
Net Cash Provided by (Used in) Operating Activities	542	$ (255)
Pro-forma as of the previous accounting guidance was in effect
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS
Net Sales	25,730
Cost of Goods Sold	22,731
Gross Profit	2,999
Loss from Operations	(149)
Loss Before Income Taxes	(321)
Income tax Expense	99
Net Loss	$ (420)
Loss Per Common Share Basic and Diluted	$ (0.15)
Assets
Inventories	$ 17,778
Shareholders' Equity
Retained Earnings	3,470
CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS
Net Loss	(420)
Change in Current Operating Items
Inventories	566
Net Cash Provided by (Used in) Operating Activities	$ 542
[1] The balance sheet at December 31, 2017 has been derived from the audited financial statements at that date

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