2. Summary of Significant Accounting Policies and Recently Issued Accounting Pronouncements

Summary of Significant Accounting Policies

The accounting policies underlying the accompanying unaudited consolidated financial statements are those set forth in Note 2 to the consolidated financial statements for the year ended December 31, 2020 included in the Company’s Annual Report on Form 10‑K.

SBIR Award

Grant income is recognized when qualified research and development costs are incurred and recorded in other income (expense), net in the consolidated statements of operations. When evaluating grant revenue from the SBIR grant, the Company considered accounting requirements under the Financial Accounting Standards Board (FASB) Accounting Standards Codification (ASC) 606, Revenue From Contracts With Customers. The Company concluded that ASC 606 did not apply as there is no exchange of goods or services or an exchange of intellectual property between the parties; therefore, the Company presents grant income in other income.

On March 28, 2018, the Company was awarded a Fast-Track Small Business Innovation Research (SBIR) grant by the Eunice Kennedy National Institute of Child Health and Human Development (NICHD) to support testing of pediatric Cellspan™ Esophageal Implants (CEIs). The award for Phase I provided for the reimbursement of approximately $0.2 million of qualified research and development costs which was received and recognized as grant income during 2018.

On October 26, 2018, the Company was awarded the Phase II Fast-Track SBIR grant from the Eunice Kennedy NICHD grant aggregating $1.1 million to support development, testing, and translation to the clinic through September 2019 and represented years one and two of the Phase II portion of the award. On August 3, 2020, the Company was awarded a third year of the Phase II grant totaling $0.5 million for support of development, testing, and translation to the clinic covering qualified expenses incurred from October 1, 2019 through September 30, 2020. In September of 2020, the Company filed and was granted a one year, no-cost extension for the Phase II grant period extending through September 30, 2021.

For the three months ended March 31, 2021, the Company recognized $0.1 million of grant income, from Phase II of the SBIR grant. The aggregate SBIR grant to date provides a total award of $1.8 million, of which, approximately $1.4 million has been recognized through March 31, 2021.

The Company did not recognize any grant income during the three months ended March 31, 2020.

Restricted Cash

Restricted cash consists of $50,000 held as collateral for the Company’s credit card program as of March 31, 2021 and December 31, 2020. The Company’s statements of cash flows include restricted cash with cash when reconciling the beginning-of-period and end-of-period total amounts shown on such statements.

A reconciliation of the cash and restricted cash reported within the balance sheet that sum to the total of the same amounts shown in the statements of cash flows is as follows:


	March 31,		December 31,
	2021		2020
	(In thousands)
Cash	$	466	$	806
Restricted cash		50		50
Total cash and restricted cash as shown in the statements of cash flows	$	516	$	856

Recently Adopted Accounting Pronouncements

Accounting standards that have been issued or proposed by the FASB or other standards-setting bodies that do not require adoption until a future date are not expected to have a material impact on the Company’s financial statements upon adoption.