Debt (Details) (USD $)	6 Months Ended
	Jun. 30, 2013	Dec. 31, 2012
Debt Instrument [Line Items]
Debt Instrument, Unused Borrowing Capacity, Amount	$ 0
Other Long-term Debt	13,000
Debt	150,447,000	141,008,000
Debt covenant terms, minimum gross bookings	9,100,000
Debt covenant terms, minimum customer license renewal rate	85.00%
Debt covenant terms, minimum cash balance held at lender bank	1,000,000
Debt covenant terms, maximum period after year end to produce audited financial statements	120 days
Construction Loans
Debt Instrument [Line Items]
Line of credit, amount outstanding	86,517,000	89,500,000
Construction Loans for Working Capital
Debt Instrument [Line Items]
Line of credit, amount outstanding	5,750,000	5,000,000
Swiss Bank Loan | 3.7% Loan Due in 2014
Debt Instrument [Line Items]
Line of credit, amount outstanding	13,233,000	13,655,000
Swiss Bank Loan | 3.8% Loan Due in 2014
Debt Instrument [Line Items]
Line of credit, amount outstanding	3,176,000	3,277,000
Mortgages | 4% to 4.5% Loan Due Through 2014
Debt Instrument [Line Items]
Mortgages	5,365,000	5,551,000
Mortgages | 5% Loan Due from 2014 to 2016
Debt Instrument [Line Items]
Mortgages	5,116,000	425,000
Mortgages | 6% to 6.5% Loan Due Through 2036
Debt Instrument [Line Items]
Mortgages	15,173,000	15,531,000
Mortgages | 8% Loan Due Through 2013
Debt Instrument [Line Items]
Mortgages	464,000	464,000
Mortgages | 10% Loan Due Through 2013
Debt Instrument [Line Items]
Mortgages	7,605,000	7,605,000
Subsidiaries, Spigit
Debt Instrument [Line Items]
Line of credit, amount outstanding	8,039,000
Interest rate at period end	5.75%
Subsidiaries, Spigit | Line of Credit
Debt Instrument [Line Items]
Basis spread on prime rate	2.50%
Subsidiaries, Spigit | Revolving Credit Facility
Debt Instrument [Line Items]
Line of credit, amount outstanding	$ 8,035,000