Concentration of Credit Risk - Schedules of Concentration of Risk, by Risk Factor (Details) - Customer Concentration Risk [Member]	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Sales Revenue, Net [Member]
Concentration Risk [Line Items]
Concentration of Credit Risk	47.70%	45.10%
Sales Revenue, Net [Member] | Alcatel-Lucent [Member]
Concentration Risk [Line Items]
Concentration of Credit Risk	6.00%	4.90%
Sales Revenue, Net [Member] | Broadridge [Member]
Concentration Risk [Line Items]
Concentration of Credit Risk	0.60%	0.50%
Sales Revenue, Net [Member] | Centric Systems [Member]
Concentration Risk [Line Items]
Concentration of Credit Risk	5.00%	5.00%
Sales Revenue, Net [Member] | Elosoft [Member]
Concentration Risk [Line Items]
Concentration of Credit Risk	11.00%	10.90%
Sales Revenue, Net [Member] | GE [Member]
Concentration Risk [Line Items]
Concentration of Credit Risk	4.40%	2.00%
Sales Revenue, Net [Member] | KitASP [Member]
Concentration Risk [Line Items]
Concentration of Credit Risk	8.00%	3.80%
Sales Revenue, Net [Member] | Raytheon [Member]
Concentration Risk [Line Items]
Concentration of Credit Risk	3.40%	9.40%
Sales Revenue, Net [Member] | Uniface [Member]
Concentration Risk [Line Items]
Concentration of Credit Risk	6.10%	5.30%
Sales Revenue, Net [Member] | Xerox [Member]
Concentration Risk [Line Items]
Concentration of Credit Risk	3.20%	3.30%
Accounts Receivable [Member]
Concentration Risk [Line Items]
Concentration of Credit Risk	77.20%	68.90%
Accounts Receivable [Member] | Alcatel-Lucent [Member]
Concentration Risk [Line Items]
Concentration of Credit Risk	4.60%	0.60%
Accounts Receivable [Member] | Broadridge [Member]
Concentration Risk [Line Items]
Concentration of Credit Risk	6.30%	4.70%
Accounts Receivable [Member] | Centric Systems [Member]
Concentration Risk [Line Items]
Concentration of Credit Risk	11.50%	13.20%
Accounts Receivable [Member] | Elosoft [Member]
Concentration Risk [Line Items]
Concentration of Credit Risk	18.80%	14.80%
Accounts Receivable [Member] | GE [Member]
Concentration Risk [Line Items]
Concentration of Credit Risk	13.80%	4.40%
Accounts Receivable [Member] | KitASP [Member]
Concentration Risk [Line Items]
Concentration of Credit Risk	1.50%	16.10%
Accounts Receivable [Member] | Raytheon [Member]
Concentration Risk [Line Items]
Concentration of Credit Risk	6.50%	1.60%
Accounts Receivable [Member] | Uniface [Member]
Concentration Risk [Line Items]
Concentration of Credit Risk	10.90%	1.90%
Accounts Receivable [Member] | Xerox [Member]
Concentration Risk [Line Items]
Concentration of Credit Risk	7.30%	7.60%