Condensed Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Cash flows from operating activities:
Net loss	$ (3,896)	$ (1,068)
Income from discontinued operations, net of taxes	0	(232)
Loss from continuing operations	(3,896)	(1,300)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	500	500
Share-based compensation expense	347	206
Provision for doubtful accounts	7	37
Deferred income taxes	19	(41)
Gain on disposition of property and equipment	0	(2)
Changes in operating assets and liabilities:
Accounts and other receivables	313	(3,098)
Inventories	156	976
Other assets	447	536
Accounts payable	(196)	(1,070)
Accrued liabilities	(491)	180
Deferred revenue	(793)	657
Other current liabilities	(136)	(95)
Cash used in operating activities - continuing operations	(3,723)	(2,514)
Cash provided by operating activities - discontinued operations	0	1,452
Net cash used in operating activities	(3,723)	(1,062)
Cash flows from investing activities:
Purchases of property and equipment	(282)	(222)
Proceeds from sale of Tecnonet	4,789	0
Proceeds from sale of property and equipment	0	9
Release of restricted time deposits	20	11
Cash provided by (used in) Investing activities - continuing operations	4,527	(202)
Cash used in Investing activities - discontinued operations	0	(42)
Net cash provided by (used in) investing activities	4,527	(244)
Cash flows from financing activities:
Proceeds from exercise of stock options	0	116
Purchase of treasury shares	(51)	(3,597)
Cash used in Financing activities - continuing operations	(51)	(3,481)
Cash used in Financing activities - discontinued operations	0	(2,812)
Net cash used in financing activities	(51)	(6,293)
Effect of exchange rate changes on cash and cash equivalents	6	(608)
Net increase (decrease) in cash and cash equivalents	759	(8,207)
Cash and cash equivalents, beginning of period	26,169	22,422
Cash and cash equivalents, end of period	26,928	14,215
Less: cash and cash equivalents of discontinued operations, end of period	0	4,398
Cash and cash equivalents, end of period	26,928	9,817
Supplemental disclosure of cash flow information:
Cash paid during period for interest - totals	0	35
Cash paid during period for income taxes - totals	$ 60	$ 0