Consolidated Statements of Cash Flows - USD ($)	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Cash flows from operating activities:
Net income (loss)	$ 25,123,901	$ (27,220,171)
(Income) loss from discontinued operations	(37,329,963)	1,628,694
Adjustments to reconcile net loss to net cash used in operating activities:
Share-based compensation	1,881,712	2,275,616
Depreciation and amortization	284,005	351,226
Loss on disposal of assets	175,793	591,307
Accretion on marketable securities	218,755	0
Changes in operating assets and liabilities:
Prepaid and other current assets	980,495	871,417
Accounts receivable	(262,784)	14,424
Other assets	164,788	191,717
Due to/from PCT	(1,681,593)	1,605,550
Accounts payable, accrued liabilities and other liabilities	(5,823,272)	(3,210,626)
Net cash used in operating activities - continuing operations	(16,268,163)	(22,900,846)
Net cash used in operating activities	(638,069)	2,608,615
Net cash used in operating activities	(16,906,232)	(20,292,231)
Cash flows from investing activities:
Purchase of marketable securities	51,724,691	0
Sale of marketable securities	7,105,603	0
Net proceeds from PCT sale	74,689,814	0
Net cash sold in PCT sale	(6,727,263)	0
Acquisition of property, plant and equipment	(118,478)	(1,068,130)
Net cash provided by (used in) investing activities - continuing operations	23,224,985	(1,068,130)
Net cash used in investing activities - discontinued operations	(188,794)	(1,247,623)
Net cash provided by (used in) investing activities	23,036,191	(2,315,753)
Cash flows from financing activities:
Proceeds from exercise of options	13,576	0
Tax withholding payments on net share settlement equity awards	(357,665)	0
Net proceeds from issuance of common stock	5,678,632	11,650,712
Repayment of long-term debt	(5,651,354)	(9,348,646)
Proceeds from notes payable	400,998	368,615
Repayment of notes payable	(764,402)	(715,610)
PCT dividend to Caladrius	0	15,000,000
Net cash (used in) provided by financing activities - continuing operations	(680,215)	16,955,071
Net cash (used in) provided by financing activities - discontinued operations	(74,231)	3,941,244
Net cash (used in) provided by financing activities	(754,446)	20,896,315
Net increase (decrease) in cash, cash equivalents and restricted cash	5,375,513	(1,711,669)
Cash, cash equivalents and restricted cash at beginning of period - continuing operations	7,076,651	18,657,971
Cash and cash equivalents at beginning of period - discontinued operations	7,628,357	1,660,440
Cash, cash equivalents and restricted cash at end of period	20,080,521	18,606,742
Less cash and cash equivalents of discontinued operations at end of period	0	6,962,677
Cash, cash equivalents and restricted cash of continuing operations at end of period	20,080,521	11,644,065
Cash paid during the period for:
Interest	$ 706,231	$ 973,729