Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Cash flows from operating activities:
Net income (loss)	$ 22,228,087	$ (33,309,533)
(Income) loss from discontinued operations	(38,399,236)	2,051,782
Adjustments to reconcile net income (loss) to net cash used in operating activities:
Equity-based compensation expense	1,963,202	1,773,691
Depreciation and amortization	372,001	450,266
Loss on disposal of assets	211,813	591,307
Income tax benefit	(11,526,557)	0
Deferred income taxes	(575,055)	0
Amortization/Accretion on marketable securities	339,964	0
Changes in operating assets and liabilities:
Prepaid and other current assets	1,109,979	457,390
Accounts receivable	(95,686)	(101,882)
Other assets	148,150	222,632
Due to PCT	1,681,593	(2,784,760)
Accounts payable, accrued liabilities and other liabilities	5,667,118	(3,145,758)
Net cash used in operating activities - continuing operations	(20,237,813)	(28,225,345)
Net cash (used in) provided by operating activities - discontinued operations	(638,069)	4,557,663
Net cash used in operating activities	(20,875,882)	(23,667,682)
Cash flows from investing activities:
Purchase of marketable securities	(60,158,123)	0
Sales of marketable securities	(33,873,500)	0
Proceeds from PCT sale	74,606,591	0
Net cash sold in PCT sale	(6,727,263)	0
Acquisition of property and equipment	(135,281)	(1,099,460)
Net cash provided by (used in) investing activities - continuing operations	41,459,424	(1,099,460)
Net cash used in investing activities - discontinued operations	(188,794)	(1,749,836)
Net cash provided by (used in) investing activities	41,270,630	(2,849,296)
Cash flows from financing activities:
Proceeds from exercise of options	13,576	0
Tax withholding payments on net share settlement equity awards	(357,666)	(72,010)
Net proceeds from issuance of capital stock	5,701,686	11,560,394
Repayment of long-term debt	(5,651,354)	(9,348,646)
Proceeds from notes payable	400,998	803,498
Repayment of notes payable	(964,776)	(1,030,351)
PCT dividend to Caladrius	0	15,000,000
Net cash (used in) provided by financing activities - continuing operations	(857,536)	16,912,885
Net cash (used in) provided by financing activities - discontinued operations	(74,231)	3,990,690
Net cash (used in) provided by financing activities	(931,767)	20,903,575
Net increase (decrease) in cash, cash equivalents and restricted cash	19,462,981	(5,613,403)
Cash and cash equivalents at beginning of year - continuing operations	7,076,651	18,657,971
Cash and cash equivalents at beginning of year - discontinued operations	7,628,357	1,660,440
Cash, cash equivalents and restricted cash at end of year	34,167,989	14,705,008
Less cash and cash equivalents of discontinued operations at end of year	0	7,628,357
Cash, cash equivalents and restricted cash of continuing operations at end of year	34,167,989	7,076,651
Supplemental Disclosure of Cash Flow Information:
Interest	711,901	1,823,424
Taxes	$ 0	$ 0