CONDENSED BALANCE SHEETS - USD ($)	Mar. 31, 2022	Dec. 31, 2021
Current assets:
Cash	$ 336,362	$ 517,445
Prepaid expenses	344,017	395,794
Total current assets	680,379	913,239
Investments held in Trust Account	138,025,689	138,013,386
Total Assets	138,706,068	138,926,625
Current liabilities:
Accounts payable	42,506	1,927
Accrued expenses	55,408	53,208
Total current liabilities	97,914	55,135
Deferred underwriting commissions	4,830,000	4,830,000
Total liabilities	4,927,914	4,885,135
Commitments and Contingencies
Shareholders' Deficit:
Preference shares, $0.0001 par value; 1,000,000 shares authorized; none issued or outstanding as of March 31, 2022 and December 31, 2021
Accumulated deficit	(4,222,241)	(3,958,905)
Total shareholders' deficit	(4,221,846)	(3,958,510)
Total Liabilities, Class A Ordinary Shares Subject to Possible Redemption and Shareholders' Deficit	138,706,068	138,926,625
Class A Ordinary Shares
Current liabilities:
Class A ordinary shares subject to possible redemption, $0.0001 par value; 479,000,000 shares authorized; 13,800,000 shares issued and outstanding at $10.00 per share at redemption as of March 31, 2022 and December 31, 2021	138,000,000	138,000,000
Shareholders' Deficit:
Common stock	50	50
Class B Ordinary Shares
Shareholders' Deficit:
Common stock	$ 345	$ 345

The carrying value as of balance sheet date of underwriting compensation deferred, classified as noncurrent.

No definition available.

Name:	omeg_DeferredUnderwritingCompensationNoncurrent
Namespace Prefix:	omeg_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).