Balance Sheets - USD ($)	Dec. 31, 2020	Dec. 31, 2019
Current assets
Cash and cash equivalents	$ 1,113,032	$ 575,422
Accounts receivable	796,128	875,914
Inventories	837,787	3,423,420
Prepaids and other current assets	1,247,430	1,444,593
Total current assets	3,994,377	6,319,349
Long-term assets
Restricted cash	638,660	635,498
Property, plant and equipment, net	4,489,551	2,003,887
Financing lease right-of-use asset	24,642	13,302
Operating lease right-of-use asset	2,539,580	709,883
Goodwill	1,384,255	1,384,255
Patents and other intangibles, net	4,025,684	4,190,621
Total long-term assets	13,102,372	8,937,446
Total assets	17,096,749	15,256,795
Current liabilities
Accounts payable	2,115,348	4,229,128
Accrued liabilities	1,204,672	1,096,090
Unearned revenue	1,160,274	1,240,205
Current portion of operating lease right-of-use liability	86,494	100,777
Current portion of financing lease liability	7,786	2,367
Current portion of related party notes payable, net of debt discount	606,589
Current installments of notes payable	480,889	1,519,496
Total current liabilities	5,662,052	8,188,063
Long-term liabilities
Related party notes payable, net of debt discount	487,470	1,216,874
Notes payable, net of current portion	57,202	12,276
Asset retirement obligation	588,105	546,570
Financing lease liability, net of current portion	16,888	10,970
Operating lease right-of-use liability, net of current portion	2,484,359	609,106
Commitments and contingencies
Mandatorily redeemable convertible preferred stock, net of discount	4,913,421	4,785,086
Total long-term liabilities	8,547,445	7,180,882
Total liabilities	14,209,497	15,368,945
Stockholders' (Deficit) Equity
Common stock	4,243,443	4,198,423
Additional paid-in capital	122,191,837	121,680,163
Accumulated deficit	(125,861,734)	(128,064,385)
Equity (deficit) attributable to International Isotopes Inc. stockholders	573,546	(2,185,799)
Equity attributable to noncontrolling interest	2,313,706	2,073,649
Total equity (deficit)	2,887,252	(112,150)
Total liabilities and stockholders' equity (deficit)	$ 17,096,749	$ 15,256,795