Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Operating activities:
Net loss	$ (4,793)	$ (3,776)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities net of effect of acquisitions
Depreciation and amortization	420	562
Loss (gain) on marketable securities	(192)	494
Interest expense	0	200
Share-based compensation	(1,167)	87
Provision for doubtful accounts	11	63
Provision for obsolete inventory	0	41
Gain on sales of assets	(43)	(266)
Deferred income tax	34	45
Non-cash compensation	101	0
Stock issued for purchase of subsidiaries	0	484
Changes in certain assets and liabilities:
Accounts receivable	(467)	(269)
Inventory	588	1,266
Other current assets	303	182
Accounts payable	725	(1,312)
Related party payables, net	1,164	(132)
Accrued commissions	734	636
Accrued liabilities	129	(343)
Deferred revenue	(876)	1,205
Taxes payable	150	342
Other liabilities	(500)	(549)
Net cash used in operating activities	(3,679)	(1,040)
Investing activities:
Capital expenditures	(316)	(335)
Proceeds from the sale of property, plant and equipment	28	1,334
Purchase of investments available for sale	(18,876)	0
Sale of marketable securities	10,185	3,418
Cash held as collateral	(3,000)	0
Acquisitions, net of cash purchased	(3,135)	0
Net cash (used in) provided by investing activities	(15,114)	4,417
Financing activities:
Net borrowings (payments) on long-term debt and revolving credit facility	2,978	(1,430)
Payments on debt	(247)	(614)
Stock issuances	18,360	0
Net cash (used in) provided by financing activities	21,091	(2,044)
Effect of exchange rate changes on cash	228	(10)
Increase in cash and cash equivalents	2,526	1,323
Cash and cash equivalents at beginning of period	2,606	3,877
Cash and cash equivalents at end of period	5,132	5,200
Cash paid during the period for:
Interest	595	65
Income taxes	$ 0	$ 122