Annual report pursuant to Section 13 and 15(d)

Cover
- Cover
Financial Statements
Notes to Financial Statements
Accounting Policies
- Summary of Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Stockholders' Equity - Restricted Stock Units (Details)

v3.20.1

Stockholders' Equity - Restricted Stock Units (Details) - USD ($)	1 Months Ended				12 Months Ended
	Sep. 30, 2019	Aug. 31, 2019	Jul. 31, 2019	Jan. 31, 2019	Dec. 31, 2019	Dec. 31, 2018
Class of Stock [Line Items]
Exercisable period of shares					2 years 3 months 10 days
Weighted-average period						3 years 6 months
2014 Stock Incentive Plan
Class of Stock [Line Items]
Unrecognized compensation cost					$ 400,000
Weighted-average period					3 years 9 months 18 days
Restricted Stock Units (RSUs)
Class of Stock [Line Items]
Granted restricted stock units (RSUs) (in shares)	59,414	134,419		263,660
Grant fair value	$ 109,000	$ 231,000		$ 490,000
Exercisable period of shares				3 years
Total intrinsic value of RSUs vested and released					$ 1,900,000
Intrinsic value, outstanding options					$ 200,000
Restricted Stock Units (RSUs) \| Board Members
Class of Stock [Line Items]
Granted restricted stock units (RSUs) (in shares)			60,560
Grant fair value			$ 97,500
Restricted Stock Units (RSUs) \| Period 1
Class of Stock [Line Items]
Vesting rights				16.67%
Restricted Stock Units (RSUs) \| Period 2
Class of Stock [Line Items]
Vesting rights				16.67%
Restricted Stock Units (RSUs) \| Period 3
Class of Stock [Line Items]
Vesting rights				16.67%
Restricted Stock Units (RSUs) \| Period 4
Class of Stock [Line Items]
Vesting rights				16.67%
Restricted Stock Units (RSUs) \| Period 5
Class of Stock [Line Items]
Vesting rights				16.67%
Restricted Stock Units (RSUs) \| Period 6
Class of Stock [Line Items]
Vesting rights				16.67%

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