Consolidated Statements of Cash Flows - USD ($)	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Cash flows from operating activities:
Net income (loss)	$ 28,671,684	$ (19,932,566)
(Income) loss from discontinued operations	(37,329,963)	431,856
Adjustments to reconcile net loss to net cash used in operating activities:
Share-based compensation	1,819,382	883,143
Depreciation and amortization	193,845	252,237
Loss on disposal of assets	175,793	591,307
Accretion on marketable securities	39,175	0
Changes in operating assets and liabilities:
Restricted cash	(5,000,722)	0
Prepaid and other current assets	619,528	405,619
Accounts receivable	(196,872)	(97,904)
Other assets	179,763	147,107
Due to/from PCT	(1,231,258)	2,681,195
Accounts payable, accrued liabilities and other liabilities	(2,879,408)	(2,540,199)
Net cash used in operating activities - continuing operations	(14,939,053)	(17,178,205)
Net cash used in operating activities	(638,069)	2,602,650
Net cash used in operating activities	(15,577,122)	(14,575,555)
Cash flows from investing activities:
Purchase of marketable securities	36,421,971	0
Proceeds from PCT sale	70,264,395	0
Net cash sold in PCT sale	(6,727,263)	0
Acquisition of property, plant and equipment	(97,052)	(1,068,129)
Net cash provided by (used in) investing activities - continuing operations	27,018,109	(1,068,129)
Net cash used in investing activities - discontinued operations	(188,794)	(635,168)
Net cash provided by (used in) investing activities	26,829,315	(1,703,297)
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	3,278,632	1,050,712
Repayment of long-term debt	(5,651,354)	(6,348,646)
Proceeds from notes payable	400,998	368,615
Repayment of notes payable	(522,313)	(489,925)
PCT dividend to Caladrius	0	15,000,000
Net cash (used in) provided by financing activities - continuing operations	(2,838,126)	9,580,756
Net cash (used in) provided by financing activities - discontinued operations	(74,231)	4,079,371
Net cash (used in) provided by financing activities	(2,912,357)	13,660,127
Net increase (decrease) in cash and cash equivalents	8,339,836	(2,618,725)
Cash and cash equivalents 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 and cash equivalents at end of period	23,044,844	17,699,686
Less cash and cash equivalents of discontinued operations at end of period	0	7,355,294
Cash and cash equivalents at end of period	23,044,844	10,344,392
Cash paid during the period for:
Interest	$ 697,544	$ 973,729