Cash Option Profit Sharing Plan and Trust	12 Months Ended
	Dec. 31, 2021
Cash Option Profit Sharing Plan and Trust [Abstract]
Cash Option Profit Sharing Plan and Trust	Cash Option Profit Sharing Plan and TrustThe Company maintains a 401(k) Cash Option Profit Sharing Plan, for our U.S. based employees, which allows participants to contribute a percentage of their compensation to the Profit Sharing Plan and Trust up to the Federal maximum. The Company matches 100% of an employee’s first 1% contributed and 50% on the next 1% contributed by an employee. Accordingly, the Company’s contributions to the Plan were $417 thousand, $508 thousand and $557 thousand for the years ending December 31, 2021, 2020, and 2019, respectively.We maintain employee benefit plans in the form of certain statutory and incentive plans covering substantially all of our India based employees. In accordance with Indian law, all of our employees in India are entitled to receive benefits under the Employees' Provident Fund Scheme, 1952, as amended, a retirement benefit scheme under which an amount equal to 12% of the basic salary of an employee is contributed both by the employer and the employee in a government fund. For the years ending December 31, 2021, 2020, and 2019, the aggregate amount set aside or accrued by us to provide for pension or retirement benefits for all of our employees, which amount consists of the Provident Fund was $4.0 million, $2.6 million, and $4.2 million, respectively.