Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($)	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	May 11, 2017	Dec. 31, 2016
Summary of Significant Accounting Policies [Line Items]
Working Capital Net Amount	$ 12,151,136
Net Income (Loss) Attributable to Parent, Total	(2,560,119)	$ (491,837)
Retained Earnings (Accumulated Deficit), Total	(65,563,783)			$ (63,003,664)
Guaranteed Benefit Liability, Net				$ 2,200,000
Employee-related Liabilities, Current	2,300,000
Maintenance Costs	500,000
Other Cost and Expense, Operating	1,300,000
Proceeds from Issuance of Common Stock	8,100,000
Estimated Capital Expenditure	4,100,000
Proceeds from Issuance of Preferred Stock and Preference Stock	0	$ 2,175,000
eOn Communications Systems Inc [Member]
Summary of Significant Accounting Policies [Line Items]
License and Services Revenue	363,000
Convertible Preferred Stock [Member]
Summary of Significant Accounting Policies [Line Items]
Proceeds from Issuance of Preferred Stock and Preference Stock	1,500,000
Senior Debt Agreement [Member]
Summary of Significant Accounting Policies [Line Items]
Proceeds from Lines of Credit	1,126,900
Subsequent Event [Member]
Summary of Significant Accounting Policies [Line Items]
Cash			$ 276,090
Patents [Member]
Summary of Significant Accounting Policies [Line Items]
Proceeds from Sale of Intangible Assets	7,550,000
Finite-lived Intangible Assets Acquired	$ 12,109,118
Minimum [Member] | Patents [Member]
Summary of Significant Accounting Policies [Line Items]
Property plant and equipments estimated useful lives of assets	7 years
Maximum [Member] | Patents [Member]
Summary of Significant Accounting Policies [Line Items]
Property plant and equipments estimated useful lives of assets	10 years