Significant Accounting Policies (Details Textual) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013
Significant Accounting Policies [Abstract]
Equity and Noncontrolling interest	20.00%		20.00%
Allowance for uncollectible accounts receivable	$ 1,010		$ 1,010		$ 1,837
Deferred revenue	1,296		1,296		0
Writeoff of non-core inventory	2,005		2,005
Inventory finished goods	2,394		2,394
Inventory parts	289		289
Inventory supplies	403		403
Reserve for obsolete and damaged inventory	503		503		1,278
Estimation on reserves for finished units held for sale			The Company now estimates that finished units held for sale will be reserved beginning in year three and fully reserved after four years compared to five years
Increase in reserve for obsolete and damaged inventory	246		246
Cost of revenue sales	903	1,485	1,765	3,375
Open purchase commitments	81		81
Cost of revenue write-off of noncore inventory	2,655		2,655
Inventory Valuation and Obsolescence
Significant Accounting Policies [Abstract]
Cost of revenue sales	246
Increase in cost of revenue per share			$ 0.01
Rental Inventory
Significant Accounting Policies [Abstract]
Cost of revenue write-off of noncore inventory	$ 650		$ 650
Software development costs
Significant Accounting Policies [Abstract]
Estimated useful lives			5 years