Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Cash flows from operating activities:
Net income	$ 7,774	$ 4,704
Adjustments to reconcile net income to cash used by operating activities:
Depreciation and amortization	1,143	1,083
Allowance for doubtful accounts	76	48
Value of share-based payment arrangements	34	77
Amortization of deferred finance costs	72	62
Deferred tax asset utilization	1,344	2,819
Changes in assets and liabilities (net of acquisition):
Trade accounts receivable	(17,593)	(10,755)
Inventories	4,123	(6,486)
Prepaid and other assets	(907)	(3,849)
Income taxes payable	1,665	0
Accounts payable and accrued expenses	(1,879)	11,799
Cash used by operating activities	(4,148)	(498)
Cash flows from investing activities:
Payments for acquisitions	0	(2,424)
Additions to property, plant, and equipment	(517)	(549)
Cash used by investing activities	(517)	(2,973)
Cash flows from financing activities:
Proceeds from issuance of common stock	593	317
Proceeds from short-term debt - net	5,369	3,887
Proceeds from long-term debt - net	0	267
Repayment of long-term debt	(178)	(152)
Payment of deferred acquisition cost	(833)	(300)
Cash provided by financing activities	4,951	4,019
Increase in cash and cash equivalents	286	548
Cash and cash equivalents at beginning of period	1,258	935
Cash and cash equivalents at end of period	1,544	1,483
Supplemental Disclosure of Cash Flow Information:
Cash paid during period for interest	551	381
Cash paid for income taxes	1,757	179
Non cash investing activity:
Deferred acquisition consideration	$ 1,069	$ 2,700