Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Cash flows from operating activities:
Net income	$ 12,562	$ 5,786
Adjustments to reconcile net income to cash provided by (used in) operating activities:
Depreciation and amortization	1,723	1,622
Allowance for doubtful accounts	17	48
Value of share-based payment arrangements	601	162
Amortization of deferred finance costs	113	69
Deferred tax asset utilization	1,584	3,422
Adjustment to deferred acquisition payable	594	0
Changes in assets and liabilities (net of acquisition):
Trade accounts receivable	(4,834)	(5,694)
Inventories	(4,687)	(10,497)
Prepaid and other assets	741	(4,521)
Income taxes payable	1,787	0
Accounts payable and accrued expenses	(2,760)	4,104
Cash provided by (used in) operating activities	7,441	(5,499)
Cash flows from investing activities:
Payments for acquisitions	0	(2,424)
Additions to patents	0	(7)
Additions to property, plant, and equipment	(877)	(647)
Cash used in investing activities	(877)	(3,078)
Cash flows from financing activities:
Proceeds from issuance of common stock	2,634	384
(Repayment of) Proceeds from short-term debt - net	(5,205)	8,580
Proceeds from long-term debt - net	27	292
Repayment of long-term debt	(264)	(243)
Payment of deferred acquisition cost	(1,038)	(331)
Cash (used in) provided by financing activities	(3,846)	8,682
Increase in cash and cash equivalents	2,718	105
Cash and cash equivalents at beginning of period	1,258	935
Cash and cash equivalents at end of period	3,976	1,040
Supplemental Disclosure of Cash Flow Information:
Cash paid during period for interest	806	531
Cash paid for income taxes	4,328	0
Non cash investing activity:
Deferred acquisition consideration	$ 0	$ 1,982