Retirement Plans (Narrative) (Details) (USD $)	3 Months Ended		6 Months Ended		12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012	Dec. 31, 2011	Jun. 30, 2012
Defined Benefit Plan Disclosure [Line Items]
Employer matching contribution					25.00%
Employee contribution subject to employer match					5.00%
Employer contributions	$ 39,000	$ 0	$ 82,000	$ 0
German Subsidiary Defined Benefit Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Employer contributions	9,000	0	17,000	10,000
United Kingdom Defined Contribution Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Employee contribution subject to employer match			100.00%
Employer contributions	$ 14,000	$ 16,000	$ 30,000	$ 32,000
Minimum [Member] | United Kingdom Defined Contribution Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Employer matching contribution			4.00%
Maximum [Member] | United Kingdom Defined Contribution Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Employer matching contribution			7.00%