Information Regarding Net Revenue and Gross Profit by Segment (Detail) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2016	Mar. 31, 2015
Segment Reporting Information [Line Items]
Net revenue	$ 12,485	$ 14,934
Gross profit	$ 5,294	$ 6,084
Gross profit margin	42.00%	41.00%
Operating expenses:
Research and development	$ 2,085	$ 1,992
Selling and marketing	4,216	4,995
General and administrative	4,577	3,065
Restructuring and severance	2,739	172
Total operating expenses	13,617	10,224
Loss from operations	(8,323)	(4,140)
Non-operating income (expense):
Interest expense, net	(770)	(424)
Foreign currency gain (loss), net	229	(227)
Loss before income taxes and noncontrolling interest	(8,864)	(4,791)
PACS
Segment Reporting Information [Line Items]
Net revenue	5,113	4,672
Gross profit	$ 2,875	$ 2,699
Gross profit margin	56.00%	58.00%
Identity
Segment Reporting Information [Line Items]
Net revenue	$ 2,506	$ 2,594
Gross profit	$ 951	$ 1,003
Gross profit margin	38.00%	39.00%
Credentials
Segment Reporting Information [Line Items]
Net revenue	$ 4,436	$ 7,157
Gross profit	$ 1,214	$ 2,042
Gross profit margin	27.00%	29.00%
All Other
Segment Reporting Information [Line Items]
Net revenue	$ 430	$ 511
Gross profit	$ 254	$ 340
Gross profit margin	59.00%	67.00%

Gross margin percent.

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Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement.

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The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

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Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

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The net amount of nonoperating interest income (expense).

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Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense.

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The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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The aggregate total amount of expenses directly related to the marketing or selling of products or services.

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