Income Taxes (Details Textual) - USD ($)	3 Months Ended				9 Months Ended		12 Months Ended
	Jun. 30, 2018	Dec. 31, 2017	Jun. 30, 2017	Dec. 31, 2016	Jun. 30, 2018	Jun. 30, 2017	Sep. 30, 2018	Nov. 18, 2016
Income Tax [Line Items]
Income Tax Expense (Benefit)	$ 190,000		$ (111,000)	$ 2,700,000	$ (404,000)	$ (2,769,000)
Provision for Income Tax Expense		$ 500,000
Additional Income Tax Expense		$ 200,000
Effective Income Tax Rate Reconciliation, Percent	34.00%		34.00%		(115.00%)	767.00%
Research Tax Credit Carryforward [Member]
Income Tax [Line Items]
Effective Income Tax Rate Reconciliation, Tax Credit, Amount					$ 2,100,000
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount					1,300,000
Deferred Tax Assets, Tax Credit Carryforwards, Research	$ 800,000				800,000
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	$ 800,000				$ 800,000
Scenario, Plan [Member]
Income Tax [Line Items]
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent							21.00%
Excluding The Impact Of Valuation Allowance [Member]
Income Tax [Line Items]
Effective Income Tax Rate Reconciliation, Percent					69.00%	(46.00%)
Excluding The Impact Of The 2017 Tax Act [Member]
Income Tax [Line Items]
Effective Income Tax Rate Reconciliation, Percent					(308.00%)
Xcede Technologies inc [Member]
Income Tax [Line Items]
Noncontrolling Interest, Ownership Percentage by Parent	63.00%				63.00%			59.00%