Summary of significant accounting policies (Policies)	6 Months Ended
Jul. 31, 2020
Accounting Policies [Abstract]
Basis of presentation	Basis of presentationThe accompanying financial statements have been prepared in accordance with generally accepted accounting principles in the United States (U.S. GAAP) and include the accounts of Phreesia, Inc. and its branch operation in Canada.
Fiscal year	Fiscal yearThe Company’s fiscal year ends on January 31. References to fiscal 2021 and 2020 refer to the fiscal years ended January 31, 2021 and January 31, 2020, respectively.
Reclassifications	Reclassifications Certain reclassifications have been made to the prior period presentation to conform to the current period presentation. In the Company's balance sheet as of January 31, 2020, the Company has reclassified $2.3 million from current portion of finance lease liabilities to current portion of debt and finance lease liabilities, and the Company has reclassified $2.1 million from long-term finance leases to long-term debt and finance leases. In the Company's unaudited statement of cash flows for the six months ended July 31, 2019, the Company has reclassified $1.0 million from change in deferred contract acquisition costs to deferred contract acquisition cost amortization. The reclassification had no effect on previously reported net loss or net cash provided by operating activities.
Use of estimates	Use of estimatesThe preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements, and the reported amounts of revenues and expenses during the reporting period. The Company bases its estimates and assumptions on historical experience, known trends and events and various other factors that management believes to be reasonable under the circumstances, the results of which form the basis for making judgments. Although management believes its estimates and assumptions are reasonable under the circumstances at the time they are made, they are based upon information available at the time they are made. Management evaluates the estimates and assumptions on an ongoing basis and, if necessary, makes adjustments. Actual results may differ from those estimates made under different assumptions or circumstances. The most significant assumptions and estimates relate to the accounts receivable allowance, capitalized internal-use software, the determination of the useful lives of property and equipment, the fair value of securities underlying stock-based compensation, the fair value of its business acquisitions, and the realization of deferred tax assets.
Concentrations of credit risk	Concentrations of credit riskFinancial instruments which potentially subject the Company to concentrations of credit risk consist primarily of cash and cash equivalents, accounts receivable and settlement assets. The Company’s cash and cash equivalents are held by established financial institutions. The Company does not require collateral from its customers and generally requires payment within 30 to 60 days of billing. Settlement assets are amounts due from well-established payment processing companies and normally take one or two business days to settle which mitigates the associated risk of concentration. The Company has one third-party payment processor.The Company’s customers are primarily physician’s offices located in the United States and pharmaceutical companies.
New accounting pronouncements	New accounting pronouncements Impact of recently adopted accounting pronouncements On May 1, 2020, the Company adopted ASU 2018-15, Customer’s Accounting for Implementation Costs Incurred in a Cloud Computing Arrangement That Is a Service Contract, which is intended to align the requirements for capitalization of implementation costs incurred in a cloud computing arrangement that is a service contract with the existing guidance for internal-use software. The guidance requires capitalized costs to be included within prepaid expenses and the guidance requires amortization of capitalized costs to be included in the same line as the associated cloud subscription costs in the statement of operations. The Company adopted ASU 2018-15 prospectively for implementation costs incurred subsequent to May 1, 2020. See Note 4 - Composition of Certain Financial Statement Captions for additional information. On February 1, 2020, the Company adopted the Financial Accounting Standards Board's (FASB) Accounting Standard Update (ASU) No. 2016-02, Leases (Topic 842) (ASC 842) which requires lessees to record most leases on their balance sheets but to recognize the expenses in their statement of operations in a manner similar to the prior standard. Topic 842 states that a lessee would recognize a lease liability for the obligation to make lease payments and a right-of-use asset for the right to use the underlying asset for the lease term. The Company adopted the new lease guidance using a modified retrospective transition method applied to those leases which were not completed as of February 1, 2020. As a result, the Company was not required to adjust its comparative period financial information for effects of the standard or make the new required lease disclosures for the periods before the date of adoption. The Company elected the ‘package of practical expedients,’ which permits the Company not to reassess under the new standard our prior conclusions about lease identification, lease classification and initial direct costs. The Company did not elect the use-of-hindsight practical expedient. The new standard also provides practical expedients for an entity’s ongoing accounting. The Company elected the short-term lease recognition exemption for all of its leases. This means, for those leases that qualify, the Company will not recognize right-of-use assets or lease liabilities, including existing short-term leases as of the transition date. The Company also elected the practical expedient to not separate lease and non-lease components for its office and computer equipment leases. Upon adoption of Topic 842 the Company recognized operating lease right-of-use assets and operating lease liabilities related to our office leases of $2,741 and $2,928, respectively. The Company’s accounting for lessee finance and all lessor leases remains substantially unchanged from legacy guidance. The standard did not have a significant impact on our statements of operations or statements of cash flows. No adjustment to retained earnings was recorded because the adoption did not change the Company's net assets. In August 2018, the FASB issued ASU No. 2018-13, Fair Value Measurement (Topic 820): Disclosure Framework—Changes to the Disclosure Requirements for Fair Value Measurement (ASU 2018-13). ASU 2018-13 updates the disclosure requirements for fair value measurements and is effective for financial statements issued for fiscal years beginning after December 15, 2019. The Company adopted the new guidance effective February 1, 2020, and it did not have a material effect on its financial statements. On February 1, 2020, the Company adopted ASU 2016-13, Financial Instruments - Credit Losses. The update requires the recognition of all losses expected over the life of a financial instrument upon origination or purchase of the instrument. The Company adopted this update using a modified retrospective method. No adjustment to retained earnings was recorded as a result of the adoption of this standard, which did not have a material impact on the Company's financial statements. Recent accounting pronouncements not yet adopted There are no recently issued accounting pronouncements the Company has not yet adopted that will materially impact the Company's financial statements.

Summary of significant accounting policies (Policies)

6 Months Ended

Jul. 31, 2020

Basis of presentationThe accompanying financial statements have been prepared in accordance with generally accepted accounting principles in the United States (U.S. GAAP) and include the accounts of Phreesia, Inc. and its branch operation in Canada.

Fiscal year

Fiscal yearThe Company’s fiscal year ends on January 31. References to fiscal 2021 and 2020 refer to the fiscal years ended January 31, 2021 and January 31, 2020, respectively.

Reclassifications

Certain reclassifications have been made to the prior period presentation to conform to the current period presentation.

In the Company's balance sheet as of January 31, 2020, the Company has reclassified $2.3 million from current portion of finance lease liabilities to current portion of debt and finance lease liabilities, and the Company has reclassified $2.1 million from long-term finance leases to long-term debt and finance leases.

In the Company's unaudited statement of cash flows for the six months ended July 31, 2019, the Company has reclassified $1.0 million from change in deferred contract acquisition costs to deferred contract acquisition cost amortization. The reclassification had no effect on previously reported net loss or net cash provided by operating activities.

Use of estimates

Use of estimatesThe preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements, and the reported amounts of revenues and expenses during the reporting period. The Company bases its estimates and assumptions on historical experience, known trends and events and various other factors that management believes to be reasonable under the circumstances, the results of which form the basis for making judgments. Although management believes its estimates and assumptions are reasonable under the circumstances at the time they are made, they are based upon information available at the time they are made. Management evaluates the estimates and assumptions on an ongoing basis and, if necessary, makes adjustments. Actual results may differ from those estimates made under different assumptions or circumstances. The most significant assumptions and estimates relate to the accounts receivable allowance, capitalized internal-use software, the determination of the useful lives of property and equipment, the fair value of securities underlying stock-based compensation, the fair value of its business acquisitions, and the realization of deferred tax assets.

Concentrations of credit risk

Concentrations of credit riskFinancial instruments which potentially subject the Company to concentrations of credit risk consist primarily of cash and cash equivalents, accounts receivable and settlement assets. The Company’s cash and cash equivalents are held by established financial institutions. The Company does not require collateral from its customers and generally requires payment within 30 to 60 days of billing. Settlement assets are amounts due from well-established payment processing companies and normally take one or two business days to settle which mitigates the associated risk of concentration. The Company has one third-party payment processor.The Company’s customers are primarily physician’s offices located in the United States and pharmaceutical companies.

New accounting pronouncements

Impact of recently adopted accounting pronouncements

On May 1, 2020, the Company adopted ASU 2018-15, Customer’s Accounting for Implementation Costs Incurred in a Cloud Computing Arrangement That Is a Service Contract, which is intended to align the requirements for capitalization of implementation costs incurred in a cloud computing arrangement that is a service contract with the existing guidance for internal-use software. The guidance requires capitalized costs to be included within prepaid expenses and the guidance requires amortization of capitalized costs to be included in the same line as the associated cloud subscription costs in the statement of operations. The Company adopted ASU 2018-15 prospectively for implementation costs incurred subsequent to May 1, 2020. See Note 4 - Composition of Certain Financial Statement Captions for additional information.

On February 1, 2020, the Company adopted the Financial Accounting Standards Board's (FASB) Accounting Standard Update (ASU) No. 2016-02, Leases (Topic 842) (ASC 842) which requires lessees to record most leases on their balance sheets but to recognize the expenses in their statement of operations in a manner similar to the prior standard. Topic 842 states that a lessee would recognize a lease liability for the obligation to make lease payments and a right-of-use asset for the right to use the underlying asset for the lease term.

The Company adopted the new lease guidance using a modified retrospective transition method applied to those leases which were not completed as of February 1, 2020. As a result, the Company was not required to adjust its comparative period financial information for effects of the standard or make the new required lease disclosures for the periods before the date of adoption.

The Company elected the ‘package of practical expedients,’ which permits the Company not to reassess under the new standard our prior conclusions about lease identification, lease classification and initial direct costs. The Company did not elect the use-of-hindsight practical expedient.

The new standard also provides practical expedients for an entity’s ongoing accounting. The Company elected the short-term lease recognition exemption for all of its leases. This means, for those leases that qualify, the Company will not recognize right-of-use assets or lease liabilities, including existing short-term leases as of the transition date. The Company also elected the practical expedient to not separate lease and non-lease components for its office and computer equipment leases.

Upon adoption of Topic 842 the Company recognized operating lease right-of-use assets and operating lease liabilities related to our office leases of $2,741 and $2,928, respectively. The Company’s accounting for lessee finance and all lessor leases remains substantially unchanged from legacy guidance. The standard did not have a significant impact on our statements of operations or statements of cash flows. No adjustment to retained earnings was recorded because the adoption did not change the Company's net assets.

In August 2018, the FASB issued ASU No. 2018-13, Fair Value Measurement (Topic 820): Disclosure Framework—Changes to the Disclosure Requirements for Fair Value Measurement (ASU 2018-13). ASU 2018-13 updates the disclosure requirements for fair value measurements and is effective for financial statements issued for fiscal years beginning after December 15, 2019. The Company adopted the new guidance effective February 1, 2020, and it did not have a material effect on its financial statements.

On February 1, 2020, the Company adopted ASU 2016-13, Financial Instruments - Credit Losses. The update requires the recognition of all losses expected over the life of a financial instrument upon origination or purchase of the instrument. The Company adopted this update using a modified retrospective method. No adjustment to

retained earnings was recorded as a result of the adoption of this standard, which did not have a material impact on the Company's financial statements.

Recent accounting pronouncements not yet adopted

There are no recently issued accounting pronouncements the Company has not yet adopted that will materially impact the Company's financial statements.