Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References+ Details

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 19

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 260

-SubTopic 10

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 225

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-04.22)

-URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Other Comprehensive Income

-URI http://asc.fasb.org/extlink&oid=6519514

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

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-Subparagraph (SX 210.5-03.18)

-URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688

Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 130

-Paragraph 10, 15

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 7: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Paragraph 20

-Article 9

Reference 8: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Net Income

-URI http://asc.fasb.org/extlink&oid=6518256

Reference 9: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Emerging Issues Task Force (EITF)

-Number 87-21

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 10: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 28, 29, 30

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 11: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585

Reference 12: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 225

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-04.19)

-URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913

Reference 13: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 220

-SubTopic 10

-Section 45

-Paragraph 6

-URI http://asc.fasb.org/extlink&oid=20435746&loc=d3e565-108580

Reference 14: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Accounting Research Bulletin (ARB)

-Number 51

-Paragraph A7

-Appendix A

Reference 15: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Accounting Research Bulletin (ARB)

-Number 51

-Paragraph 38

-Subparagraph a

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 16: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Accounting Research Bulletin (ARB)

-Number 51

-Paragraph 38

-Subparagraph d

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Segment Reporting (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2011
Schedule of operations by geographic segment
Intercompany sales	$ 4,263	$ 3,363	$ 7,681	$ 5,136
Net sales	32,019	30,572	58,747	54,981
Segment net income (loss)	453	190	(922)	(1,344)
Depreciation and amortization	1,091	1,099	2,206	2,209
Total assets	126,664	117,631	126,664	117,631	128,556
Subtotal [Member]
Schedule of operations by geographic segment
Subtotal	36,282	33,935	66,428	60,117
Eliminations [Member]
Schedule of operations by geographic segment
Intercompany sales	(4,263)	(3,363)	(7,681)	(5,136)
Net sales				54,981
Mobile communication [Member] \| United States [Member]
Schedule of operations by geographic segment
Subtotal	16,471	12,969	30,593	24,036
Mobile communication [Member] \| Canada [Member]
Schedule of operations by geographic segment
Subtotal	217	308	365	476
Mobile communication [Member] \| Europe [Member]
Schedule of operations by geographic segment
Subtotal	5,440	4,058	9,853	7,479
Mobile communication [Member] \| Other geographic areas [Member]
Schedule of operations by geographic segment
Subtotal	1,916	1,708	4,063	2,767
Guidance and stabilization [Member] \| United States [Member]
Schedule of operations by geographic segment
Subtotal	2,369	3,405	3,258	7,383
Guidance and stabilization [Member] \| Canada [Member]
Schedule of operations by geographic segment
Subtotal	2,641	2,016	5,207	4,312
Guidance and stabilization [Member] \| Europe [Member]
Schedule of operations by geographic segment
Subtotal	2,314	2,434	4,351	4,259
Guidance and stabilization [Member] \| Other geographic areas [Member]
Schedule of operations by geographic segment
Subtotal	651	3,674	1,057	4,269
Americas [Member]
Schedule of operations by geographic segment
Intercompany sales	3,637	3,039	6,631	4,618
Net sales	25,432	25,311	46,581
Segment net income (loss)	896	209	(375)	(1,283)
Depreciation and amortization	1,012	994	1,991	1,996
Total assets	106,111	99,006	106,111	99,006
Americas [Member] \| Subtotal [Member]
Schedule of operations by geographic segment
Subtotal	29,069	28,350	53,212	50,313
Americas [Member] \| Eliminations [Member]
Schedule of operations by geographic segment
Intercompany sales	(3,637)	(3,039)	(6,631)	4,618
Net sales				45,695
Americas [Member] \| Mobile communication [Member] \| United States [Member]
Schedule of operations by geographic segment
Subtotal	16,471	12,969	30,593	24,036
Americas [Member] \| Mobile communication [Member] \| Canada [Member]
Schedule of operations by geographic segment
Subtotal	217	308	365	476
Americas [Member] \| Mobile communication [Member] \| Europe [Member]
Schedule of operations by geographic segment
Subtotal	119	107	243	203
Americas [Member] \| Mobile communication [Member] \| Other geographic areas [Member]
Schedule of operations by geographic segment
Subtotal	650	398	1,507	757
Americas [Member] \| Guidance and stabilization [Member] \| United States [Member]
Schedule of operations by geographic segment
Subtotal	2,369	3,405	3,258	7,383
Americas [Member] \| Guidance and stabilization [Member] \| Canada [Member]
Schedule of operations by geographic segment
Subtotal	2,641	2,016	5,207	4,312
Americas [Member] \| Guidance and stabilization [Member] \| Europe [Member]
Schedule of operations by geographic segment
Subtotal	2,314	2,434	4,351	4,259
Americas [Member] \| Guidance and stabilization [Member] \| Other geographic areas [Member]
Schedule of operations by geographic segment
Subtotal	651	3,674	1,057	4,269
Europe and Asia [Member]
Schedule of operations by geographic segment
Intercompany sales	626	324	1,050	518
Net sales	6,587	5,261	12,166
Segment net income (loss)	(443)	(19)	(547)	(61)
Depreciation and amortization	79	105	215	213
Total assets	20,553	18,625	20,553	18,625
Europe and Asia [Member] \| Subtotal [Member]
Schedule of operations by geographic segment
Subtotal	6,587	5,585	13,216	9,804
Europe and Asia [Member] \| Eliminations [Member]
Schedule of operations by geographic segment
Intercompany sales	(626)	(324)	(1,050)	(518)
Net sales				9,286
Europe and Asia [Member] \| Mobile communication [Member] \| United States [Member]
Schedule of operations by geographic segment
Subtotal
Europe and Asia [Member] \| Mobile communication [Member] \| Canada [Member]
Schedule of operations by geographic segment
Subtotal
Europe and Asia [Member] \| Mobile communication [Member] \| Europe [Member]
Schedule of operations by geographic segment
Subtotal	5,321	3,951	9,610	7,276
Europe and Asia [Member] \| Mobile communication [Member] \| Other geographic areas [Member]
Schedule of operations by geographic segment
Subtotal	1,266	1,310	2,556	2,010
Europe and Asia [Member] \| Guidance and stabilization [Member] \| United States [Member]
Schedule of operations by geographic segment
Subtotal
Europe and Asia [Member] \| Guidance and stabilization [Member] \| Canada [Member]
Schedule of operations by geographic segment
Subtotal
Europe and Asia [Member] \| Guidance and stabilization [Member] \| Europe [Member]
Schedule of operations by geographic segment
Subtotal
Europe and Asia [Member] \| Guidance and stabilization [Member] \| Other geographic areas [Member]
Schedule of operations by geographic segment
Subtotal