Leases and Deferred Rent (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Operating Leased Asset
Rent expense	$ 1,236us-gaap_OperatingLeasesRentExpenseNet	$ 909us-gaap_OperatingLeasesRentExpenseNet
Amortization of deferred rent	79us-gaap_AmortizationOfDeferredCharges	110us-gaap_AmortizationOfDeferredCharges
Future minimum lease payments
2014	1,205
2015	923
2016	813
2017	647
2018	235
Total minimum lease payments	$ 3,823
Manufacturing Facility [Member] \| Alachua, Florida
Operating Leased Asset
Area leased (sqft)	46,000
Office Building \| Salt Lake City, Utah
Operating Leased Asset
Area leased (sqft)	31,000
Office Building \| Austin, Texas
Operating Leased Asset
Area leased (sqft)	7,070
Office Building \| Israel
Operating Leased Asset
Area leased (sqft)	4,700
Warehouse \| Salt Lake City, Utah
Operating Leased Asset
Area leased (sqft)	40,000
Warehouse \| Hong Kong
Operating Leased Asset
Area leased (sqft)	5,600
Warehouse \| Israel \| Minimum
Operating Leased Asset
Term of lease commitment	2 years
Warehouse \| Israel \| Maximum
Operating Leased Asset
Term of lease commitment	4 years

Operating Leases, Area Leased

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- Definition

Operating Leases, Term of Lease Commitment

+ References

No definition available.

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- Definition

The amount of amortization of deferred charges applied against earnings during the period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.3)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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- Definition

Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 20

-Section 50

-Paragraph 2

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41502-112717

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 10

-Section 55

-Paragraph 40

-Subparagraph (Note 3)

-URI http://asc.fasb.org/extlink&oid=6584154&loc=d3e38371-112697

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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- Definition

Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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- Definition

Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41499-112717

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