Consolidated Balance Sheets (Unaudited) - USD ($)	Sep. 30, 2025	Dec. 31, 2024
Current assets:
Cash and cash equivalents	$ 59,340,599	$ 54,527,092
Marketable securities	15,956,740	46,624,180
Prepaid expenses and other current assets	2,162,696	2,921,206
Total current assets	77,460,035	104,072,478
Deferred offering costs	0	267,261
Right-of-use assets	340,977	266,955
Total assets	77,801,012	104,606,694
Current liabilities:
Accounts payable	13,423	180,453
Accrued expenses	6,999,297	12,118,367
Current portion of debt	15,199,265	31,372
Operating lease liabilities	271,948	271,631
Deferred collaboration revenue, long term	6,000,000	6,000,000
Total current liabilities	28,483,933	18,601,823
Operating lease liabilities, long-term	72,536	0
Long-term debt, net of current portion	0	15,000,000
Total liabilities	28,556,469	33,601,823
Commitments and contingencies (Notes 3, 9, & 14)
Stockholders' equity:
Preferred stock, $0.001 par value, 15,000,000 shares authorized, none issued and outstanding	0	0
Common stock, voting, $0.001 par value; 150,000,000 authorized and 60,162,773 and 59,648,278 shares issued and outstanding, respectively	60,163	59,648
Additional paid-in capital	526,679,311	521,018,373
Accumulated other comprehensive (loss) income	815	37,442
Accumulated deficit	(477,495,746)	(450,110,592)
Total stockholders’ equity	49,244,543	71,004,871
Total liabilities and stockholders’ equity	$ 77,801,012	$ 104,606,694

Cash and money market funds.

No definition available.

Name:	aldx_CashAndMoneyMarketFunds
Namespace Prefix:	aldx_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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).