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Available-for-Sale-Securities Schedule of Available-for-Sale Securities Reconciliation (Details) - USD ($)	Jun. 30, 2017	Dec. 31, 2016
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 55,828,000	$ 4,426,800
Gross Unrealized Gains	100	0
Gross Unrealized Losses	(57,800)	0
Estimated Fair Value	55,770,300	4,426,800
Certificates of Deposit [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	1,489,600	0
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Estimated Fair Value	1,489,600	0
Corporate Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	46,724,400	0
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(57,600)	0
Estimated Fair Value	46,666,800	0
Money Market Funds [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	7,188,600	4,426,800
Gross Unrealized Gains	100	0
Gross Unrealized Losses	0	0
Estimated Fair Value	7,188,700	4,426,800
Municipal Bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	75,000	0
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Estimated Fair Value	75,000	0
US Government Agencies Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	350,400	0
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(200)	0
Estimated Fair Value	$ 350,200	$ 0

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- Definition

Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.

+ References

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-Publisher FASB
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-SubTopic 10
-Section 50
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