General form of registration statement for all companies including face-amount certificate companies

Summary of Significant Accounting Policies - Summary of Significant Customers and Vendors (Details) (Sounds Concept, Inc.)

v3.19.1
Summary of Significant Accounting Policies - Summary of Significant Customers and Vendors (Details) (Sounds Concept, Inc.) - Sound Concepts, Inc. [Member]
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Customers [Member]      
Revenue 11% of revenue from one customer 17%, 17% and 11% of revenue, or 45% of revenue in the aggregate 38% and 12% of revenue, or 50% of revenue in the aggregate
Accounts receivable 10% and 17% of accounts receivable, or 27% of accounts receivable in the aggregate 24%, 13% and 13% of accounts receivable, or 50% of accounts receivable in the aggregate 38% and 10% of accounts receivable, or 48% of accounts receivable in the aggregate
Vendors [Member]      
Purchase 12% of purchase from one vendor None over 10% 15% of purchase from one vendor
Accounts payable 16% and 10% of accounts payable, or 26% of accounts payable in the aggregate 14% of accounts payable to one vendor 21%, 16% and 11% of accounts payable, or 48% of accounts payable in the aggregate