Income Taxes (Details Narrative) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Net operating loss carryforwards	$ 46,038,000
Excess tax benefits associated with stock option exercises included in net operating loss carryforwards but not reflected in deferred tax assets	1,019,000
Deferred tax assets	678,000
Unrecognized tax benefits	$ 446,000	$ 446,000
Minimum [Member]
Net operating loss carryforwards, expiration date	Dec. 31, 2022
Minimum [Member] | Excess Tax Benefits [Member]
Net operating loss carryforwards, expiration date	Dec. 31, 2022
Maximum [Member]
Net operating loss carryforwards, expiration date	Dec. 31, 2036
Maximum [Member] | Excess Tax Benefits [Member]
Net operating loss carryforwards, expiration date	Dec. 31, 2030