CONSOLIDATED STATEMENTS OF INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Income Statement [Abstract]
Revenue	$ 10,559	$ 9,103
Cost, expenses and other (income):
Cost of goods sold, exclusive of depreciation and amortization	8,312	7,042
Selling, general and administrative	1,613	1,832
Depreciation and amortization	212	210
Interest expense	25	23
Total expenses	10,162	9,107
Income (Loss) before income tax provision	397	(4)
Income tax provision (benefit)	66	(30)
Net income	$ 331	$ 26
Basic
Net Income per share	$ 0.14	$ 0.01
Diluted
Net income per share	$ 0.14	$ 0.01