Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 4,396	$ 616
Investments in marketable equity securities, at fair value	2,538	3,110
Royalty sale receivable		4,000
Prepaid expenses and other	212	210
Total current assets	7,146	7,936
Mineral properties	9,832	9,327
Investments in marketable equity securities, at fair value	3,145	3,983
Equity method investment	852	1,165
Other assets	1,007	1,072
Total assets	21,982	23,483
Current liabilities:
Accounts payable	430	398
Short-term margin loan	1,500	1,500
Current portion long-term debt	741	727
Deferred income taxes	256	963
Other	100	103
Total current liabilities	3,027	3,691
Long-term debt, net of discount	3,519	2,437
Deferred gain on sale of mineral property	7,000	7,000
Warrant liability	1,039	1,138
Preferred stock, $0.01 par value, authorized 10,000,000 shares (none issued and outstanding at March 31, 2013 and December 31, 2012)
Common stock, $0.01 par value, authorized 100,000,000 shares (34,647,458 and 34,479,958, respectively, shares issued and outstanding at March 31, 2013 and December 31, 2012)	346	345
Additional paid-in capital	47,491	47,107
Accumulated deficit	(43,669)	(42,678)
Accumulated other comprehensive income	3,030	3,914
Total Solitario shareholders’ equity	7,198	8,688
Noncontrolling interest	199	529
Total shareholders’ equity	7,397	9,217
Total liabilities and shareholders’ equity	$ 21,982	$ 23,483

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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).