Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Cash flows from operating activities:
Net income	$ 2,944	$ 1,893
Adjustments to reconcile net income to cash used by operating activities:
Depreciation and amortization	606	544
Allowance for doubtful accounts	40	24
Value of share-based payment arrangements	11	77
Amortization of deferred finance costs	31	31
Deferred tax asset utilization	1,725	1,165
Changes in assets and liabilities (net of acquisition):
Trade accounts receivable	(11,466)	(4,191)
Inventories	6,613	(3,065)
Prepaid and other assets	(2,229)	(162)
Accounts payable and accrued expenses	(3,998)	2,872
Cash used by operating activities	(5,723)	(812)
Cash flows used by investing activities:
Payments for acquisitions	0	(2,424)
Additions to property, plant, and equipment	(133)	(59)
Cash used by investing activities	(133)	(2,483)
Cash flows from financing activities:
Proceeds from issuance of common stock	278	70
Proceeds from short-term debt - net	5,580	2,822
Repayment of long-term debt	(93)	(71)
Cash provided by financing activities	5,765	2,821
Decrease in cash and cash equivalents	(91)	(474)
Cash and cash equivalents at beginning of period	1,258	935
Cash and cash equivalents at end of period	1,167	461
Supplemental Disclosure of Cash Flow Information:
Cash paid during period for interest	241	176
Non cash investing activity:
Deferred acquisition consideration	$ 1,197	$ 1,902