Consolidated Balance Sheets - USD ($)	Dec. 31, 2017	Dec. 31, 2016
Current assets
Cash and cash equivalents	$ 409,338	$ 314,520
Accounts receivable	635,026	774,275
Inventories (Note 4)	1,951,513	1,476,240
Restricted cash - due to former member	387,455	0
Prepaids and other current assets	344,627	736,447
Total current assets	3,727,959	3,301,482
Long-term assets
Restricted bank and money market accounts	453,575	450,631
Property, plant and equipment, net (Note 5)	1,935,535	1,948,076
Investment (Note 3)	0	1,492,781
Goodwill (Note 3)	1,376,584	0
Patents and other intangibles, net (Note 6)	4,511,641	4,186,295
Total long-term assets	8,277,335	8,077,783
Total assets	12,005,294	11,379,265
Current liabilities
Accounts payable	1,619,229	941,659
Accrued liabilities	1,139,477	568,714
Current portion of unearned revenue	2,688,128	2,608,328
Convertible debt, net of debt discount (Note 7)	0	3,025,165
Current portion of related party notes payable (Note 7)	60,000	360,000
Current installments of notes payable, net of debt discount (Note 7)	7,437	6,953
Total current liabilities	5,514,271	7,510,819
Long-term liabilities
Related party notes payable, net of current portion and debt discount (Note 7)	419,534	392,712
Notes payable, net of current portion (Note 7)	28,741	36,179
Unearned revenue, net of current portion	688,980	364,440
Obligation for lease disposal costs (Note 12)	478,424	468,974
Mandatorily redeemable convertible preferred stock (Note 9)	4,528,417	850,000
Total long-term liabilities	6,144,096	2,112,305
Total liabilities	11,658,367	9,623,124
Stockholders' Equity (Note 9)
Common stock	4,067,907	4,049,998
Additional paid-in capital	120,398,620	119,595,535
Accumulated deficit	(125,696,845)	(121,939,561)
(Deficit) Equity attributable to International Isotopes Inc. stockholders	(1,230,318)	1,705,972
Equity attributable to noncontrolling interest	1,577,245	50,169
Total equity	346,927	1,756,141
Total liabilities and stockholders' equity	$ 12,005,294	$ 11,379,265

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).

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.