Condensed Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Operating activities:
Net loss	$ (8,831)	$ (8,367)
Adjustments to reconcile net loss to net cash used in operating activities net of effect of acquisitions
Depreciation and amortization	1,053	1,224
Loss (gain) on sale of marketable securities	(192)	552
Interest expense	0	400
Share-based compensation	(1,197)	398
Provision for doubtful accounts	331	140
Provision for obsolete inventory	0	41
Gain on sales of assets	(83)	(407)
Deferred income tax	73	89
Goodwill impairment	192	0
Non-cash compensation	201	0
Changes in certain assets and liabilities:
Accounts receivable	(1,034)	(136)
Inventory	1,000	1,182
Other current assets	628	(161)
Accounts payable	(1,139)	(168)
Related party payables	1,268	(277)
Accrued commissions	863	666
Accrued liabilities	2,002	(100)
Deferred revenue	(468)	1,289
Taxes payable	(618)	811
Other liabilities	(450)	(2,187)
Net cash used in operating activities	(6,401)	(5,011)
Investing activities:
Capital expenditures	(332)	(645)
Proceeds from the sale of property, plant and equipment	60	1,831
Purchase of marketable securities	(18,876)	0
Sale of marketable securities	13,901	6,238
Proceeds from note receivable	2	0
Deposit of restricted cash collateral	(2,931)	0
Acquisitions, net of cash purchased	(3,135)	2
Net cash provided by (used in) investing activities	(11,311)	7,426
Financing activities:
Net borrowings on long-term debt and revolving credit facility	3,051	42
Payments on debt	(471)	(2,662)
Stock issuances	18,434	0
Net cash provided by (used in) financing activities	21,014	(2,620)
Effect of exchange rate changes on cash and cash equivalents	(195)	505
Increase in cash and cash equivalents	3,107	300
Cash and cash equivalents at beginning of period	2,606	3,877
Cash and cash equivalents at end of period	5,713	4,177
Cash paid during the period for:
Interest	1,164	130
Income taxes	$ 313	$ 517