Business Combinations (Details 1) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012
IntraNexus Acquisition [Member]
Fair value of the net tangible assets acquired and liabilities assumed:
Cash and cash equivalents	$ 0
Current assets (including accounts receivable of $464, $409 and $436 for IntraNexus, CQI and ViaTrack, respectively)	691
Equipment and improvements and other long-term assets	0
Accounts payable and accrued liabilities	(226)
Deferred revenues	(94)
Deferred tax liabilities	0
Total net tangible assets acquired and liabilities assumed	371
Fair value of identifiable intangible assets acquired:
Goodwill (including assembled workforce of $120 for IntraNexus)	1,903
Total identifiable intangible assets acquired	3,833
Total purchase price	4,204
IntraNexus Acquisition [Member] | Trade Name [Member]
Fair value of identifiable intangible assets acquired:
Trade name, Customer relationships and Software technology	0
IntraNexus Acquisition [Member] | Customer Relationships [Member]
Fair value of identifiable intangible assets acquired:
Trade name, Customer relationships and Software technology	1,100
IntraNexus Acquisition [Member] | Software Technology [Member]
Fair value of identifiable intangible assets acquired:
Trade name, Customer relationships and Software technology	830
CQI Solutions Acquisition [Member]
Fair value of the net tangible assets acquired and liabilities assumed:
Cash and cash equivalents	222
Current assets (including accounts receivable of $464, $409 and $436 for IntraNexus, CQI and ViaTrack, respectively)	410
Equipment and improvements and other long-term assets	221
Accounts payable and accrued liabilities	(19)
Deferred revenues	(520)
Deferred tax liabilities	(2,331)
Total net tangible assets acquired and liabilities assumed	(2,017)
Fair value of identifiable intangible assets acquired:
Goodwill (including assembled workforce of $120 for IntraNexus)	4,863
Total identifiable intangible assets acquired	10,563
Total purchase price	8,546
CQI Solutions Acquisition [Member] | Trade Name [Member]
Fair value of identifiable intangible assets acquired:
Trade name, Customer relationships and Software technology	0
CQI Solutions Acquisition [Member] | Customer Relationships [Member]
Fair value of identifiable intangible assets acquired:
Trade name, Customer relationships and Software technology	600
CQI Solutions Acquisition [Member] | Software Technology [Member]
Fair value of identifiable intangible assets acquired:
Trade name, Customer relationships and Software technology	5,100
ViaTrack Acquisition [Member]
Fair value of the net tangible assets acquired and liabilities assumed:
Cash and cash equivalents	10
Current assets (including accounts receivable of $464, $409 and $436 for IntraNexus, CQI and ViaTrack, respectively)	462
Equipment and improvements and other long-term assets	47
Accounts payable and accrued liabilities	(125)
Deferred revenues	0
Deferred tax liabilities	0
Total net tangible assets acquired and liabilities assumed	394
Fair value of identifiable intangible assets acquired:
Goodwill (including assembled workforce of $120 for IntraNexus)	7,289
Total identifiable intangible assets acquired	10,529
Total purchase price	10,923
ViaTrack Acquisition [Member] | Trade Name [Member]
Fair value of identifiable intangible assets acquired:
Trade name, Customer relationships and Software technology	130
ViaTrack Acquisition [Member] | Customer Relationships [Member]
Fair value of identifiable intangible assets acquired:
Trade name, Customer relationships and Software technology	1,800
ViaTrack Acquisition [Member] | Software Technology [Member]
Fair value of identifiable intangible assets acquired:
Trade name, Customer relationships and Software technology	$ 1,310