Concentration of Credit Risk - Schedules of Concentration of Risk, by Risk Factor (Details) - Customer Concentration Risk [Member]	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Sales Revenue, Net [Member]
Concentration Risk [Line Items]
Concentration of Credit Risk	35.80%	25.70%
Sales Revenue, Net [Member] | Centric Systems [Member]
Concentration Risk [Line Items]
Concentration of Credit Risk	6.90%	5.00%
Sales Revenue, Net [Member] | Elosoft [Member]
Concentration Risk [Line Items]
Concentration of Credit Risk	16.90%	11.00%
Sales Revenue, Net [Member] | IDS [Member]
Concentration Risk [Line Items]
Concentration of Credit Risk	5.50%	3.60%
Sales Revenue, Net [Member] | Uniface [Member]
Concentration Risk [Line Items]
Concentration of Credit Risk	6.50%	6.10%
Accounts Receivable [Member]
Concentration Risk [Line Items]
Concentration of Credit Risk	69.60%	41.20%
Accounts Receivable [Member] | Centric Systems [Member]
Concentration Risk [Line Items]
Concentration of Credit Risk	12.60%	11.50%
Accounts Receivable [Member] | Elosoft [Member]
Concentration Risk [Line Items]
Concentration of Credit Risk	56.20%	18.80%
Accounts Receivable [Member] | IDS [Member]
Concentration Risk [Line Items]
Concentration of Credit Risk	0.00%	0.00%
Accounts Receivable [Member] | Uniface [Member]
Concentration Risk [Line Items]
Concentration of Credit Risk	0.80%	10.90%