Condensed Consolidated Balance Sheets (Unaudited) - USD ($)	Jun. 30, 2019	Dec. 31, 2018
Current assets
Cash and cash equivalents	$ 443,310	$ 828,039
Accounts receivable	1,402,893	820,370
Inventories	3,219,941	2,765,729
Prepaids and other current assets	310,620	315,042
Total current assets	5,376,764	4,729,180
Long-term assets
Restricted cash	629,446	622,428
Property, plant and equipment, net	1,876,602	1,906,182
Operating lease right-of-use asset	758,666
Goodwill	1,384,255	1,384,255
Patents and other intangibles, net	4,272,043	4,348,031
Total long-term assets	8,921,012	8,260,896
Total assets	14,297,776	12,990,076
Current liabilities
Accounts payable	3,882,312	2,285,165
Accrued liabilities	803,210	939,918
Current portion of unearned revenue	1,561,458	3,783,541
Current portion of operating lease right-of-use liability	99,236
Current portion of related party notes payable	120,000	180,000
Current installments of notes payable	1,933,415	7,956
Total current liabilities	8,399,631	7,196,580
Long-term liabilities
Obligation for lease disposal costs	526,915	507,968
Unearned revenue, net of current portion	7,500	7,500
Related party notes payable, net of current portion and debt discount	459,767	446,356
Notes payable, net of current portion	16,602	20,786
Operating lease right-of-use liability, net of current portion	659,430
Mandatorily redeemable convertible preferred stock	4,720,919	4,656,752
Total long-term liabilities	6,391,133	5,639,362
Total liabilities	14,790,764	12,835,942
Commitments and contingencies
Stockholders' Equity
Common stock	4,197,741	4,131,683
Additional paid-in capital	121,125,897	120,805,997
Accumulated deficit	(127,750,572)	(126,541,421)
Deficit attributable to International Isotopes Inc. stockholders	(2,426,934)	(1,603,741)
Equity attributable to noncontrolling interest	1,933,946	1,757,875
Total equity	(492,988)	154,134
Total liabilities and stockholders' equity	$ 14,297,776	$ 12,990,076