Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Cash flows from operating activities:
Net income (loss)	$ 4,763	$ (720)
Adjustments to reconcile net income (loss) to cash provided (used) by operating activities:
Depreciation and amortization	2,072	979
Allowance for doubtful accounts	99	31
Amortization of deferred finance cost	75	112
Value of share-based payment arrangements	203	708
Deferred tax expense (benefit)	2,768	(857)
Other non cash (income) expenses	(302)	414
Changes in assets and liabilities (net of acquisitions):
Trade accounts receivable	(545)	(293)
Inventories	(23,430)	(1,150)
Prepaid and other assets	(465)	(548)
Income taxes receivable	0	2,709
Accounts payable and accrued expenses	4,259	316
Cash provided (used) by operating activities	(10,503)	1,701
Cash flows from investing activities:
Payments for acquisitions	(2,424)	(7,368)
Additions to patents	(12)	(10)
Additions to property, plant and equipment	(889)	(716)
Investment in affiliates	0	63
Cash used by investing activities	(3,325)	(8,031)
Cash flows from financing activities:
Proceeds from issuance of common stock	460	15,925
Borrowing from (repayments of) of short-term debt - net	14,172	(9,024)
Proceeds from long-term debt	292	0
Repayment of long-term debt	(328)	(305)
Payment of deferred acquisition cost	(445)	0
Net cash provided by financing activities	14,151	6,596
Increase in cash and cash equivalents	323	266
Cash and cash equivalents at beginning of period	935	669
Cash and cash equivalents at end of period	1,258	935
Supplemental disclosure of cash flow information:
Cash paid during period for interest	701	529
Non cash investing activity:
Deferred acquisition cost	$ 1,902	$ 667