Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Operating activities:
Net loss	$ (34,934)	$ (18,879)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities, net of effect of business acquisitions:
Depreciation and amortization	3,072	2,778
Gain on sale of marketable securities	(12)	(189)
Share based compensation expense	147	(116)
Non-cash compensation	437	410
Share based payments	2,227	0
Provision for doubtful accounts	1,068	1,001
Provision for obsolete inventory	8	2,355
Loss (gain) on sales of assets	464	(657)
Deferred income tax	(291)	468
Impairment of goodwill and intangible assets	6,719	192
Gain on acquisition of a business	0	(3,625)
Impairment of assets held for sale	0	3,329
Amortization of debt discount	1,161	77
Deferred rent amortization	95	135
Forgiveness of receivable	174	0
Loss on extinguishment of debt	1,904	0
Changes in certain assets and liabilities:
Accounts receivable	34	(324)
Inventory	1,169	960
Other current assets	924	1,670
Accounts payable	(675)	1,761
Related party payables	4,149	1,453
Accrued commissions	(1,351)	(282)
Accrued liabilities	847	(659)
Deferred revenue	1,429	2
Taxes payable	4,633	(308)
Other liabilities	116	91
Net cash used in operating activities	(6,486)	(8,357)
Investing activities:
Capital expenditures	(109)	(2,147)
Proceeds from the sale of property, plant and equipment	303	936
Purchases of marketable securities	(741)	(25,236)
Proceeds from sales of marketable securities	5,676	20,913
Proceeds from note receivable	0	68
Deposit of restricted cash collateral	0	(2,951)
Acquisitions, net of cash purchased	0	(2,494)
Net cash provided by (used in) by investing activities	5,129	(10,911)
Financing activities:
Borrowings on long-term debt	0	7,065
Payments on long-term debt	(3,206)	(1,109)
Share issuances	0	18,360
Debt issuance costs	0	(515)
Net cash provided by (used in) financing activities	(3,206)	23,801
Effect of exchange rate changes on cash and cash equivalents	284	(657)
Increase (decrease) in cash and cash equivalents	(4,279)	3,876
Cash and cash equivalents at beginning of year	6,482	2,606
Cash and cash equivalents at end of year	2,203	6,482
Cash paid during the period for:
Interest	2,871	2,499
Income taxes	738	72
Non-cash transactions:
Convertible note issued related to acquisition	0	5,547
Stock issued related to acquisition	0	1,719
Stock issued related to debt acquisition	$ 0	$ 578