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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Narrative (Detail) (USD $)	12 Months Ended
	Dec. 31, 2012 reporting_unit business	Dec. 31, 2011	Dec. 31, 2010
Corporate Organization
Number of businesses or operating entities acquired	15
Inventories
Projected period for manufacture quality levels	6 months
Inventory reserves	$ 963,000	$ 471,000
Software Development Costs
Capitalized software	1,500,000
Goodwill
Number of operating segments	2
Research and Development
Research and development costs	$ 5,353,000	$ 2,323,000	$ 990,000
Share-based Compensation
Share based compensation expense, vesting period	3 years
Share based compensation, expense recognition period	3 years
At Issuance
Share-based Compensation
Share based compensation, vesting percentage	25.00%
Over Three Years
Share-based Compensation
Share based compensation, vesting percentage	25.00%
Tranche One
Share-based Compensation
Share based compensation, expense recognition period	12 months
Tranche Two
Share-based Compensation
Share based compensation, expense recognition period	24 months
Tranche Three
Share-based Compensation
Share based compensation, expense recognition period	36 months
Minimum
Accounts Receivable
Accounts receivable, range of invoice terms	10 days
Property and Equipment
Estimated useful lives of property and equipment	3 years
Intangibles
Estimated useful lives of intangible assets	1 year
Concentrations of Credit Risk
Percentage of contracts issued by US Government	90.00%
Income Taxes
Recognition of tax liability or benefits	50.00%
Maximum
Accounts Receivable
Accounts receivable, range of invoice terms	45 days
Property and Equipment
Estimated useful lives of property and equipment	7 years
Intangibles
Estimated useful lives of intangible assets	7 years